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80
vendor/librw/skeleton/CMakeLists.txt vendored Normal file
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add_library(librw_skeleton
glfw.cpp
sdl2.cpp
skeleton.cpp
skeleton.h
win.cpp
imgui/imgui_impl_rw.cpp
imgui/imgui_impl_rw.h
imgui/imconfig.h
imgui/imgui.cpp
imgui/imgui.h
imgui/imgui_demo.cpp
imgui/imgui_draw.cpp
imgui/imgui_internal.h
imgui/imgui_tables.cpp
imgui/imgui_widgets.cpp
imgui/imstb_rectpack.h
imgui/imstb_textedit.h
imgui/imstb_truetype.h
imgui/ImGuizmo.cpp
imgui/ImGuizmo.h
)
add_library(librw::skeleton ALIAS librw_skeleton)
set_target_properties(librw_skeleton
PROPERTIES
PREFIX ""
EXPORT_NAME skeleton
CXX_STANDARD 11
)
target_link_libraries(librw_skeleton
PRIVATE
librw
)
target_include_directories(librw_skeleton
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${LIBRW_INSTALL_INCLUDEDIR}/skeleton>
)
if(LIBRW_INSTALL)
install(
FILES
skeleton.h
DESTINATION "${LIBRW_INSTALL_INCLUDEDIR}/skeleton"
)
install(
FILES
imgui/imconfig.h
imgui/imgui.h
imgui/imgui_impl_rw.h
imgui/imgui_internal.h
imgui/ImGuizmo.h
imgui/imstb_rectpack.h
imgui/imstb_textedit.h
imgui/imstb_truetype.h
DESTINATION "${LIBRW_INSTALL_INCLUDEDIR}/skeleton/imgui"
)
install(
FILES
imgui/LICENSE_imgui.txt
imgui/LICENSE_imguizmo.txt
DESTINATION "${CMAKE_INSTALL_DOCDIR}"
)
install(
TARGETS librw_skeleton
EXPORT librw-targets
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
)
endif()

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vendor/librw/skeleton/glfw.cpp vendored Normal file
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#ifndef LIBRW_SDL2
#include <rw.h>
#include "skeleton.h"
using namespace sk;
using namespace rw;
#ifdef RW_OPENGL
GLFWwindow *window;
int keymap[GLFW_KEY_LAST+1];
static void
initkeymap(void)
{
int i;
for(i = 0; i < GLFW_KEY_LAST+1; i++)
keymap[i] = KEY_NULL;
keymap[GLFW_KEY_SPACE] = ' ';
keymap[GLFW_KEY_APOSTROPHE] = '\'';
keymap[GLFW_KEY_COMMA] = ',';
keymap[GLFW_KEY_MINUS] = '-';
keymap[GLFW_KEY_PERIOD] = '.';
keymap[GLFW_KEY_SLASH] = '/';
keymap[GLFW_KEY_0] = '0';
keymap[GLFW_KEY_1] = '1';
keymap[GLFW_KEY_2] = '2';
keymap[GLFW_KEY_3] = '3';
keymap[GLFW_KEY_4] = '4';
keymap[GLFW_KEY_5] = '5';
keymap[GLFW_KEY_6] = '6';
keymap[GLFW_KEY_7] = '7';
keymap[GLFW_KEY_8] = '8';
keymap[GLFW_KEY_9] = '9';
keymap[GLFW_KEY_SEMICOLON] = ';';
keymap[GLFW_KEY_EQUAL] = '=';
keymap[GLFW_KEY_A] = 'A';
keymap[GLFW_KEY_B] = 'B';
keymap[GLFW_KEY_C] = 'C';
keymap[GLFW_KEY_D] = 'D';
keymap[GLFW_KEY_E] = 'E';
keymap[GLFW_KEY_F] = 'F';
keymap[GLFW_KEY_G] = 'G';
keymap[GLFW_KEY_H] = 'H';
keymap[GLFW_KEY_I] = 'I';
keymap[GLFW_KEY_J] = 'J';
keymap[GLFW_KEY_K] = 'K';
keymap[GLFW_KEY_L] = 'L';
keymap[GLFW_KEY_M] = 'M';
keymap[GLFW_KEY_N] = 'N';
keymap[GLFW_KEY_O] = 'O';
keymap[GLFW_KEY_P] = 'P';
keymap[GLFW_KEY_Q] = 'Q';
keymap[GLFW_KEY_R] = 'R';
keymap[GLFW_KEY_S] = 'S';
keymap[GLFW_KEY_T] = 'T';
keymap[GLFW_KEY_U] = 'U';
keymap[GLFW_KEY_V] = 'V';
keymap[GLFW_KEY_W] = 'W';
keymap[GLFW_KEY_X] = 'X';
keymap[GLFW_KEY_Y] = 'Y';
keymap[GLFW_KEY_Z] = 'Z';
keymap[GLFW_KEY_LEFT_BRACKET] = '[';
keymap[GLFW_KEY_BACKSLASH] = '\\';
keymap[GLFW_KEY_RIGHT_BRACKET] = ']';
keymap[GLFW_KEY_GRAVE_ACCENT] = '`';
keymap[GLFW_KEY_ESCAPE] = KEY_ESC;
keymap[GLFW_KEY_ENTER] = KEY_ENTER;
keymap[GLFW_KEY_TAB] = KEY_TAB;
keymap[GLFW_KEY_BACKSPACE] = KEY_BACKSP;
keymap[GLFW_KEY_INSERT] = KEY_INS;
keymap[GLFW_KEY_DELETE] = KEY_DEL;
keymap[GLFW_KEY_RIGHT] = KEY_RIGHT;
keymap[GLFW_KEY_LEFT] = KEY_LEFT;
keymap[GLFW_KEY_DOWN] = KEY_DOWN;
keymap[GLFW_KEY_UP] = KEY_UP;
keymap[GLFW_KEY_PAGE_UP] = KEY_PGUP;
keymap[GLFW_KEY_PAGE_DOWN] = KEY_PGDN;
keymap[GLFW_KEY_HOME] = KEY_HOME;
keymap[GLFW_KEY_END] = KEY_END;
keymap[GLFW_KEY_CAPS_LOCK] = KEY_CAPSLK;
keymap[GLFW_KEY_SCROLL_LOCK] = KEY_NULL;
keymap[GLFW_KEY_NUM_LOCK] = KEY_NULL;
keymap[GLFW_KEY_PRINT_SCREEN] = KEY_NULL;
keymap[GLFW_KEY_PAUSE] = KEY_NULL;
keymap[GLFW_KEY_F1] = KEY_F1;
keymap[GLFW_KEY_F2] = KEY_F2;
keymap[GLFW_KEY_F3] = KEY_F3;
keymap[GLFW_KEY_F4] = KEY_F4;
keymap[GLFW_KEY_F5] = KEY_F5;
keymap[GLFW_KEY_F6] = KEY_F6;
keymap[GLFW_KEY_F7] = KEY_F7;
keymap[GLFW_KEY_F8] = KEY_F8;
keymap[GLFW_KEY_F9] = KEY_F9;
keymap[GLFW_KEY_F10] = KEY_F10;
keymap[GLFW_KEY_F11] = KEY_F11;
keymap[GLFW_KEY_F12] = KEY_F12;
keymap[GLFW_KEY_F13] = KEY_NULL;
keymap[GLFW_KEY_F14] = KEY_NULL;
keymap[GLFW_KEY_F15] = KEY_NULL;
keymap[GLFW_KEY_F16] = KEY_NULL;
keymap[GLFW_KEY_F17] = KEY_NULL;
keymap[GLFW_KEY_F18] = KEY_NULL;
keymap[GLFW_KEY_F19] = KEY_NULL;
keymap[GLFW_KEY_F20] = KEY_NULL;
keymap[GLFW_KEY_F21] = KEY_NULL;
keymap[GLFW_KEY_F22] = KEY_NULL;
keymap[GLFW_KEY_F23] = KEY_NULL;
keymap[GLFW_KEY_F24] = KEY_NULL;
keymap[GLFW_KEY_F25] = KEY_NULL;
keymap[GLFW_KEY_KP_0] = KEY_NULL;
keymap[GLFW_KEY_KP_1] = KEY_NULL;
keymap[GLFW_KEY_KP_2] = KEY_NULL;
keymap[GLFW_KEY_KP_3] = KEY_NULL;
keymap[GLFW_KEY_KP_4] = KEY_NULL;
keymap[GLFW_KEY_KP_5] = KEY_NULL;
keymap[GLFW_KEY_KP_6] = KEY_NULL;
keymap[GLFW_KEY_KP_7] = KEY_NULL;
keymap[GLFW_KEY_KP_8] = KEY_NULL;
keymap[GLFW_KEY_KP_9] = KEY_NULL;
keymap[GLFW_KEY_KP_DECIMAL] = KEY_NULL;
keymap[GLFW_KEY_KP_DIVIDE] = KEY_NULL;
keymap[GLFW_KEY_KP_MULTIPLY] = KEY_NULL;
keymap[GLFW_KEY_KP_SUBTRACT] = KEY_NULL;
keymap[GLFW_KEY_KP_ADD] = KEY_NULL;
keymap[GLFW_KEY_KP_ENTER] = KEY_NULL;
keymap[GLFW_KEY_KP_EQUAL] = KEY_NULL;
keymap[GLFW_KEY_LEFT_SHIFT] = KEY_LSHIFT;
keymap[GLFW_KEY_LEFT_CONTROL] = KEY_LCTRL;
keymap[GLFW_KEY_LEFT_ALT] = KEY_LALT;
keymap[GLFW_KEY_LEFT_SUPER] = KEY_NULL;
keymap[GLFW_KEY_RIGHT_SHIFT] = KEY_RSHIFT;
keymap[GLFW_KEY_RIGHT_CONTROL] = KEY_RCTRL;
keymap[GLFW_KEY_RIGHT_ALT] = KEY_RALT;
keymap[GLFW_KEY_RIGHT_SUPER] = KEY_NULL;
keymap[GLFW_KEY_MENU] = KEY_NULL;
}
static void KeyUp(int key) { EventHandler(KEYUP, &key); }
static void KeyDown(int key) { EventHandler(KEYDOWN, &key); }
static void
keypress(GLFWwindow *window, int key, int scancode, int action, int mods)
{
if(key >= 0 && key <= GLFW_KEY_LAST){
if(action == GLFW_RELEASE) KeyUp(keymap[key]);
else if(action == GLFW_PRESS) KeyDown(keymap[key]);
else if(action == GLFW_REPEAT) KeyDown(keymap[key]);
}
}
static void
charinput(GLFWwindow *window, unsigned int c)
{
EventHandler(CHARINPUT, (void*)(uintptr)c);
}
static void
resize(GLFWwindow *window, int w, int h)
{
rw::Rect r;
r.x = 0;
r.y = 0;
r.w = w;
r.h = h;
EventHandler(RESIZE, &r);
}
static void
mousemove(GLFWwindow *window, double x, double y)
{
sk::MouseState ms;
ms.posx = x;
ms.posy = y;
EventHandler(MOUSEMOVE, &ms);
}
static void
mousebtn(GLFWwindow *window, int button, int action, int mods)
{
static int buttons = 0;
sk::MouseState ms;
switch(button){
case GLFW_MOUSE_BUTTON_LEFT:
if(action == GLFW_PRESS)
buttons |= 1;
else
buttons &= ~1;
break;
case GLFW_MOUSE_BUTTON_MIDDLE:
if(action == GLFW_PRESS)
buttons |= 2;
else
buttons &= ~2;
break;
case GLFW_MOUSE_BUTTON_RIGHT:
if(action == GLFW_PRESS)
buttons |= 4;
else
buttons &= ~4;
break;
}
ms.buttons = buttons;
EventHandler(MOUSEBTN, &ms);
}
int
main(int argc, char *argv[])
{
args.argc = argc;
args.argv = argv;
if(EventHandler(INITIALIZE, nil) == EVENTERROR)
return 0;
engineOpenParams.width = sk::globals.width;
engineOpenParams.height = sk::globals.height;
engineOpenParams.windowtitle = sk::globals.windowtitle;
engineOpenParams.window = &window;
if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
return 0;
initkeymap();
glfwSetKeyCallback(window, keypress);
glfwSetCharCallback(window, charinput);
glfwSetWindowSizeCallback(window, resize);
glfwSetCursorPosCallback(window, mousemove);
glfwSetMouseButtonCallback(window, mousebtn);
float lastTime = glfwGetTime()*1000;
while(!sk::globals.quit && !glfwWindowShouldClose(window)){
float currTime = glfwGetTime()*1000;
float timeDelta = (currTime - lastTime)*0.001f;
glfwPollEvents();
EventHandler(IDLE, &timeDelta);
lastTime = currTime;
}
EventHandler(RWTERMINATE, nil);
return 0;
}
namespace sk {
void
SetMousePosition(int x, int y)
{
glfwSetCursorPos(*engineOpenParams.window, (double)x, (double)y);
}
}
#endif
#endif

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vendor/librw/skeleton/imgui/ImGuizmo.cpp vendored Normal file
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vendor/librw/skeleton/imgui/ImGuizmo.h vendored Normal file
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// https://github.com/CedricGuillemet/ImGuizmo
// v 1.61 WIP
//
// The MIT License(MIT)
//
// Copyright(c) 2021 Cedric Guillemet
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -------------------------------------------------------------------------------------------
// History :
// 2019/11/03 View gizmo
// 2016/09/11 Behind camera culling. Scaling Delta matrix not multiplied by source matrix scales. local/world rotation and translation fixed. Display message is incorrect (X: ... Y:...) in local mode.
// 2016/09/09 Hatched negative axis. Snapping. Documentation update.
// 2016/09/04 Axis switch and translation plan autohiding. Scale transform stability improved
// 2016/09/01 Mogwai changed to Manipulate. Draw debug cube. Fixed inverted scale. Mixing scale and translation/rotation gives bad results.
// 2016/08/31 First version
//
// -------------------------------------------------------------------------------------------
// Future (no order):
//
// - Multi view
// - display rotation/translation/scale infos in local/world space and not only local
// - finish local/world matrix application
// - OPERATION as bitmask
//
// -------------------------------------------------------------------------------------------
// Example
#if 0
void EditTransform(const Camera& camera, matrix_t& matrix)
{
static ImGuizmo::OPERATION mCurrentGizmoOperation(ImGuizmo::ROTATE);
static ImGuizmo::MODE mCurrentGizmoMode(ImGuizmo::WORLD);
if (ImGui::IsKeyPressed(90))
mCurrentGizmoOperation = ImGuizmo::TRANSLATE;
if (ImGui::IsKeyPressed(69))
mCurrentGizmoOperation = ImGuizmo::ROTATE;
if (ImGui::IsKeyPressed(82)) // r Key
mCurrentGizmoOperation = ImGuizmo::SCALE;
if (ImGui::RadioButton("Translate", mCurrentGizmoOperation == ImGuizmo::TRANSLATE))
mCurrentGizmoOperation = ImGuizmo::TRANSLATE;
ImGui::SameLine();
if (ImGui::RadioButton("Rotate", mCurrentGizmoOperation == ImGuizmo::ROTATE))
mCurrentGizmoOperation = ImGuizmo::ROTATE;
ImGui::SameLine();
if (ImGui::RadioButton("Scale", mCurrentGizmoOperation == ImGuizmo::SCALE))
mCurrentGizmoOperation = ImGuizmo::SCALE;
float matrixTranslation[3], matrixRotation[3], matrixScale[3];
ImGuizmo::DecomposeMatrixToComponents(matrix.m16, matrixTranslation, matrixRotation, matrixScale);
ImGui::InputFloat3("Tr", matrixTranslation, 3);
ImGui::InputFloat3("Rt", matrixRotation, 3);
ImGui::InputFloat3("Sc", matrixScale, 3);
ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, matrix.m16);
if (mCurrentGizmoOperation != ImGuizmo::SCALE)
{
if (ImGui::RadioButton("Local", mCurrentGizmoMode == ImGuizmo::LOCAL))
mCurrentGizmoMode = ImGuizmo::LOCAL;
ImGui::SameLine();
if (ImGui::RadioButton("World", mCurrentGizmoMode == ImGuizmo::WORLD))
mCurrentGizmoMode = ImGuizmo::WORLD;
}
static bool useSnap(false);
if (ImGui::IsKeyPressed(83))
useSnap = !useSnap;
ImGui::Checkbox("", &useSnap);
ImGui::SameLine();
vec_t snap;
switch (mCurrentGizmoOperation)
{
case ImGuizmo::TRANSLATE:
snap = config.mSnapTranslation;
ImGui::InputFloat3("Snap", &snap.x);
break;
case ImGuizmo::ROTATE:
snap = config.mSnapRotation;
ImGui::InputFloat("Angle Snap", &snap.x);
break;
case ImGuizmo::SCALE:
snap = config.mSnapScale;
ImGui::InputFloat("Scale Snap", &snap.x);
break;
}
ImGuiIO& io = ImGui::GetIO();
ImGuizmo::SetRect(0, 0, io.DisplaySize.x, io.DisplaySize.y);
ImGuizmo::Manipulate(camera.mView.m16, camera.mProjection.m16, mCurrentGizmoOperation, mCurrentGizmoMode, matrix.m16, NULL, useSnap ? &snap.x : NULL);
}
#endif
#pragma once
#ifdef USE_IMGUI_API
#include "imconfig.h"
#endif
#ifndef IMGUI_API
#define IMGUI_API
#endif
namespace ImGuizmo
{
// call inside your own window and before Manipulate() in order to draw gizmo to that window.
// Or pass a specific ImDrawList to draw to (e.g. ImGui::GetForegroundDrawList()).
IMGUI_API void SetDrawlist(ImDrawList* drawlist = nullptr);
// call BeginFrame right after ImGui_XXXX_NewFrame();
IMGUI_API void BeginFrame();
// this is necessary because when imguizmo is compiled into a dll, and imgui into another
// globals are not shared between them.
// More details at https://stackoverflow.com/questions/19373061/what-happens-to-global-and-static-variables-in-a-shared-library-when-it-is-dynam
// expose method to set imgui context
IMGUI_API void SetImGuiContext(ImGuiContext* ctx);
// return true if mouse cursor is over any gizmo control (axis, plan or screen component)
IMGUI_API bool IsOver();
// return true if mouse IsOver or if the gizmo is in moving state
IMGUI_API bool IsUsing();
// enable/disable the gizmo. Stay in the state until next call to Enable.
// gizmo is rendered with gray half transparent color when disabled
IMGUI_API void Enable(bool enable);
// helper functions for manualy editing translation/rotation/scale with an input float
// translation, rotation and scale float points to 3 floats each
// Angles are in degrees (more suitable for human editing)
// example:
// float matrixTranslation[3], matrixRotation[3], matrixScale[3];
// ImGuizmo::DecomposeMatrixToComponents(gizmoMatrix.m16, matrixTranslation, matrixRotation, matrixScale);
// ImGui::InputFloat3("Tr", matrixTranslation, 3);
// ImGui::InputFloat3("Rt", matrixRotation, 3);
// ImGui::InputFloat3("Sc", matrixScale, 3);
// ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, gizmoMatrix.m16);
//
// These functions have some numerical stability issues for now. Use with caution.
IMGUI_API void DecomposeMatrixToComponents(const float* matrix, float* translation, float* rotation, float* scale);
IMGUI_API void RecomposeMatrixFromComponents(const float* translation, const float* rotation, const float* scale, float* matrix);
IMGUI_API void SetRect(float x, float y, float width, float height);
// default is false
IMGUI_API void SetOrthographic(bool isOrthographic);
// Render a cube with face color corresponding to face normal. Usefull for debug/tests
IMGUI_API void DrawCubes(const float* view, const float* projection, const float* matrices, int matrixCount);
IMGUI_API void DrawGrid(const float* view, const float* projection, const float* matrix, const float gridSize);
// call it when you want a gizmo
// Needs view and projection matrices.
// matrix parameter is the source matrix (where will be gizmo be drawn) and might be transformed by the function. Return deltaMatrix is optional
// translation is applied in world space
enum OPERATION
{
TRANSLATE_X = (1u << 0),
TRANSLATE_Y = (1u << 1),
TRANSLATE_Z = (1u << 2),
ROTATE_X = (1u << 3),
ROTATE_Y = (1u << 4),
ROTATE_Z = (1u << 5),
ROTATE_SCREEN = (1u << 6),
SCALE_X = (1u << 7),
SCALE_Y = (1u << 8),
SCALE_Z = (1u << 9),
BOUNDS = (1u << 10),
TRANSLATE = TRANSLATE_X | TRANSLATE_Y | TRANSLATE_Z,
ROTATE = ROTATE_X | ROTATE_Y | ROTATE_Z | ROTATE_SCREEN,
SCALE = SCALE_X | SCALE_Y | SCALE_Z
};
inline OPERATION operator|(OPERATION lhs, OPERATION rhs)
{
return static_cast<OPERATION>(static_cast<int>(lhs) | static_cast<int>(rhs));
}
enum MODE
{
LOCAL,
WORLD
};
IMGUI_API bool Manipulate(const float* view, const float* projection, OPERATION operation, MODE mode, float* matrix, float* deltaMatrix = NULL, const float* snap = NULL, const float* localBounds = NULL, const float* boundsSnap = NULL);
//
// Please note that this cubeview is patented by Autodesk : https://patents.google.com/patent/US7782319B2/en
// It seems to be a defensive patent in the US. I don't think it will bring troubles using it as
// other software are using the same mechanics. But just in case, you are now warned!
//
IMGUI_API void ViewManipulate(float* view, float length, ImVec2 position, ImVec2 size, ImU32 backgroundColor);
IMGUI_API void SetID(int id);
// return true if the cursor is over the operation's gizmo
IMGUI_API bool IsOver(OPERATION op);
IMGUI_API void SetGizmoSizeClipSpace(float value);
// Allow axis to flip
// When true (default), the guizmo axis flip for better visibility
// When false, they always stay along the positive world/local axis
IMGUI_API void AllowAxisFlip(bool value);
}

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The MIT License (MIT)
Copyright (c) 2014-2021 Omar Cornut
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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The MIT License (MIT)
Copyright (c) 2016 Cedric Guillemet
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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//-----------------------------------------------------------------------------
// COMPILE-TIME OPTIONS FOR DEAR IMGUI
// Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure.
// You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions.
//-----------------------------------------------------------------------------
// A) You may edit imconfig.h (and not overwrite it when updating Dear ImGui, or maintain a patch/rebased branch with your modifications to it)
// B) or '#define IMGUI_USER_CONFIG "my_imgui_config.h"' in your project and then add directives in your own file without touching this template.
//-----------------------------------------------------------------------------
// You need to make sure that configuration settings are defined consistently _everywhere_ Dear ImGui is used, which include the imgui*.cpp
// files but also _any_ of your code that uses Dear ImGui. This is because some compile-time options have an affect on data structures.
// Defining those options in imconfig.h will ensure every compilation unit gets to see the same data structure layouts.
// Call IMGUI_CHECKVERSION() from your .cpp files to verify that the data structures your files are using are matching the ones imgui.cpp is using.
//-----------------------------------------------------------------------------
#pragma once
//---- Define assertion handler. Defaults to calling assert().
// If your macro uses multiple statements, make sure is enclosed in a 'do { .. } while (0)' block so it can be used as a single statement.
//#define IM_ASSERT(_EXPR) MyAssert(_EXPR)
//#define IM_ASSERT(_EXPR) ((void)(_EXPR)) // Disable asserts
//---- Define attributes of all API symbols declarations, e.g. for DLL under Windows
// Using Dear ImGui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
// DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
// for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
//#define IMGUI_API __declspec( dllexport )
//#define IMGUI_API __declspec( dllimport )
//---- Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//---- Disable all of Dear ImGui or don't implement standard windows.
// It is very strongly recommended to NOT disable the demo windows during development. Please read comments in imgui_demo.cpp.
//#define IMGUI_DISABLE // Disable everything: all headers and source files will be empty.
//#define IMGUI_DISABLE_DEMO_WINDOWS // Disable demo windows: ShowDemoWindow()/ShowStyleEditor() will be empty. Not recommended.
//#define IMGUI_DISABLE_METRICS_WINDOW // Disable metrics/debugger window: ShowMetricsWindow() will be empty.
//---- Don't implement some functions to reduce linkage requirements.
//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. (user32.lib/.a, kernel32.lib/.a)
//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow. (imm32.lib/.a)
//#define IMGUI_DISABLE_WIN32_FUNCTIONS // [Win32] Won't use and link with any Win32 function (clipboard, ime).
//#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
//#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)
//#define IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 so you can implement them yourself.
//#define IMGUI_DISABLE_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies)
//#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
//---- Include imgui_user.h at the end of imgui.h as a convenience
//#define IMGUI_INCLUDE_IMGUI_USER_H
//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another)
//#define IMGUI_USE_BGRA_PACKED_COLOR
//---- Use 32-bit for ImWchar (default is 16-bit) to support unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
//#define IMGUI_USE_WCHAR32
//---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version
// By default the embedded implementations are declared static and not available outside of Dear ImGui sources files.
//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
//---- Use stb_printf's faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
// Requires 'stb_sprintf.h' to be available in the include path. Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by STB sprintf.
// #define IMGUI_USE_STB_SPRINTF
//---- Use FreeType to build and rasterize the font atlas (instead of stb_truetype which is embedded by default in Dear ImGui)
// Requires FreeType headers to be available in the include path. Requires program to be compiled with 'misc/freetype/imgui_freetype.cpp' (in this repository) + the FreeType library (not provided).
// On Windows you may use vcpkg with 'vcpkg install freetype' + 'vcpkg integrate install'.
//#define IMGUI_ENABLE_FREETYPE
//---- Use stb_truetype to build and rasterize the font atlas (default)
// The only purpose of this define is if you want force compilation of the stb_truetype backend ALONG with the FreeType backend.
//#define IMGUI_ENABLE_STB_TRUETYPE
//---- Define constructor and implicit cast operators to convert back<>forth between your math types and ImVec2/ImVec4.
// This will be inlined as part of ImVec2 and ImVec4 class declarations.
/*
#define IM_VEC2_CLASS_EXTRA \
ImVec2(const MyVec2& f) { x = f.x; y = f.y; } \
operator MyVec2() const { return MyVec2(x,y); }
#define IM_VEC4_CLASS_EXTRA \
ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; } \
operator MyVec4() const { return MyVec4(x,y,z,w); }
*/
//---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
// Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
// Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer.
// Read about ImGuiBackendFlags_RendererHasVtxOffset for details.
//#define ImDrawIdx unsigned int
//---- Override ImDrawCallback signature (will need to modify renderer backends accordingly)
//struct ImDrawList;
//struct ImDrawCmd;
//typedef void (*MyImDrawCallback)(const ImDrawList* draw_list, const ImDrawCmd* cmd, void* my_renderer_user_data);
//#define ImDrawCallback MyImDrawCallback
//---- Debug Tools: Macro to break in Debugger
// (use 'Metrics->Tools->Item Picker' to pick widgets with the mouse and break into them for easy debugging.)
//#define IM_DEBUG_BREAK IM_ASSERT(0)
//#define IM_DEBUG_BREAK __debugbreak()
//---- Debug Tools: Have the Item Picker break in the ItemAdd() function instead of ItemHoverable(),
// (which comes earlier in the code, will catch a few extra items, allow picking items other than Hovered one.)
// This adds a small runtime cost which is why it is not enabled by default.
//#define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX
//---- Debug Tools: Enable slower asserts
//#define IMGUI_DEBUG_PARANOID
//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.
/*
namespace ImGui
{
void MyFunction(const char* name, const MyMatrix44& v);
}
*/

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#include <rw.h>
#include <skeleton.h>
#include <assert.h>
#include "imgui/imgui.h"
#include "imgui_impl_rw.h"
using namespace rw::RWDEVICE;
static rw::Texture *g_FontTexture;
static Im2DVertex *g_vertbuf;
static int g_vertbufSize;
void
ImGui_ImplRW_RenderDrawLists(ImDrawData* draw_data)
{
ImGuiIO &io = ImGui::GetIO();
// minimized
if (io.DisplaySize.x <= 0.0f || io.DisplaySize.y <= 0.0f)
return;
if(g_vertbuf == nil || g_vertbufSize < draw_data->TotalVtxCount){
if(g_vertbuf){
rwFree(g_vertbuf);
g_vertbuf = nil;
}
g_vertbufSize = draw_data->TotalVtxCount + 5000;
g_vertbuf = rwNewT(Im2DVertex, g_vertbufSize, 0);
}
float xoff = 0.0f;
float yoff = 0.0f;
#ifdef RWHALFPIXEL
xoff = -0.5;
yoff = 0.5;
#endif
rw::Camera *cam = (rw::Camera*)rw::engine->currentCamera;
Im2DVertex *vtx_dst = g_vertbuf;
float recipZ = 1.0f/cam->nearPlane;
for(int n = 0; n < draw_data->CmdListsCount; n++){
const ImDrawList *cmd_list = draw_data->CmdLists[n];
const ImDrawVert *vtx_src = cmd_list->VtxBuffer.Data;
for(int i = 0; i < cmd_list->VtxBuffer.Size; i++){
vtx_dst[i].setScreenX(vtx_src[i].pos.x + xoff);
vtx_dst[i].setScreenY(vtx_src[i].pos.y + yoff);
vtx_dst[i].setScreenZ(rw::im2d::GetNearZ());
vtx_dst[i].setCameraZ(cam->nearPlane);
vtx_dst[i].setRecipCameraZ(recipZ);
vtx_dst[i].setColor(vtx_src[i].col&0xFF, vtx_src[i].col>>8 & 0xFF, vtx_src[i].col>>16 & 0xFF, vtx_src[i].col>>24 & 0xFF);
vtx_dst[i].setU(vtx_src[i].uv.x, recipZ);
vtx_dst[i].setV(vtx_src[i].uv.y, recipZ);
}
vtx_dst += cmd_list->VtxBuffer.Size;
}
int vertexAlpha = rw::GetRenderState(rw::VERTEXALPHA);
int srcBlend = rw::GetRenderState(rw::SRCBLEND);
int dstBlend = rw::GetRenderState(rw::DESTBLEND);
int ztest = rw::GetRenderState(rw::ZTESTENABLE);
void *tex = rw::GetRenderStatePtr(rw::TEXTURERASTER);
int addrU = rw::GetRenderState(rw::TEXTUREADDRESSU);
int addrV = rw::GetRenderState(rw::TEXTUREADDRESSV);
int filter = rw::GetRenderState(rw::TEXTUREFILTER);
int cullmode = rw::GetRenderState(rw::CULLMODE);
rw::SetRenderState(rw::VERTEXALPHA, 1);
rw::SetRenderState(rw::SRCBLEND, rw::BLENDSRCALPHA);
rw::SetRenderState(rw::DESTBLEND, rw::BLENDINVSRCALPHA);
rw::SetRenderState(rw::ZTESTENABLE, 0);
rw::SetRenderState(rw::CULLMODE, rw::CULLNONE);
int vtx_offset = 0;
for(int n = 0; n < draw_data->CmdListsCount; n++){
const ImDrawList *cmd_list = draw_data->CmdLists[n];
int idx_offset = 0;
for(int i = 0; i < cmd_list->CmdBuffer.Size; i++){
const ImDrawCmd *pcmd = &cmd_list->CmdBuffer[i];
if(pcmd->UserCallback)
pcmd->UserCallback(cmd_list, pcmd);
else{
rw::Texture *tex = (rw::Texture*)pcmd->TextureId;
if(tex && tex->raster){
rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
rw::SetRenderState(rw::TEXTUREADDRESSU, tex->getAddressU());
rw::SetRenderState(rw::TEXTUREADDRESSV, tex->getAddressV());
rw::SetRenderState(rw::TEXTUREFILTER, tex->getFilter());
}else
rw::SetRenderStatePtr(rw::TEXTURERASTER, nil);
rw::im2d::RenderIndexedPrimitive(rw::PRIMTYPETRILIST,
g_vertbuf+vtx_offset, cmd_list->VtxBuffer.Size,
cmd_list->IdxBuffer.Data+idx_offset, pcmd->ElemCount);
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.Size;
}
rw::SetRenderState(rw::VERTEXALPHA,vertexAlpha);
rw::SetRenderState(rw::SRCBLEND, srcBlend);
rw::SetRenderState(rw::DESTBLEND, dstBlend);
rw::SetRenderState(rw::ZTESTENABLE, ztest);
rw::SetRenderStatePtr(rw::TEXTURERASTER, tex);
rw::SetRenderState(rw::TEXTUREADDRESSU, addrU);
rw::SetRenderState(rw::TEXTUREADDRESSV, addrV);
rw::SetRenderState(rw::TEXTUREFILTER, filter);
rw::SetRenderState(rw::CULLMODE, cullmode);
}
bool
ImGui_ImplRW_Init(void)
{
using namespace sk;
ImGui::CreateContext();
ImGuiIO &io = ImGui::GetIO();
io.KeyMap[ImGuiKey_Tab] = KEY_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = KEY_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = KEY_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = KEY_UP;
io.KeyMap[ImGuiKey_DownArrow] = KEY_DOWN;
io.KeyMap[ImGuiKey_PageUp] = KEY_PGUP;
io.KeyMap[ImGuiKey_PageDown] = KEY_PGDN;
io.KeyMap[ImGuiKey_Home] = KEY_HOME;
io.KeyMap[ImGuiKey_End] = KEY_END;
io.KeyMap[ImGuiKey_Delete] = KEY_DEL;
io.KeyMap[ImGuiKey_Backspace] = KEY_BACKSP;
io.KeyMap[ImGuiKey_Enter] = KEY_ENTER;
io.KeyMap[ImGuiKey_Escape] = KEY_ESC;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
return true;
}
void
ImGui_ImplRW_Shutdown(void)
{
}
static bool
ImGui_ImplRW_CreateFontsTexture()
{
// Build texture atlas
ImGuiIO &io = ImGui::GetIO();
unsigned char *pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height, nil);
rw::Image *image;
image = rw::Image::create(width, height, 32);
image->allocate();
for(int y = 0; y < height; y++)
memcpy(image->pixels + image->stride*y, pixels + width*4* y, width*4);
g_FontTexture = rw::Texture::create(rw::Raster::createFromImage(image));
g_FontTexture->setFilter(rw::Texture::LINEAR);
image->destroy();
// Store our identifier
io.Fonts->TexID = (void*)g_FontTexture;
return true;
}
bool
ImGui_ImplRW_CreateDeviceObjects()
{
// if(!g_pd3dDevice)
// return false;
if(!ImGui_ImplRW_CreateFontsTexture())
return false;
return true;
}
void
ImGui_ImplRW_NewFrame(float timeDelta)
{
if(!g_FontTexture)
ImGui_ImplRW_CreateDeviceObjects();
ImGuiIO &io = ImGui::GetIO();
io.DisplaySize = ImVec2(sk::globals.width, sk::globals.height);
io.DeltaTime = timeDelta;
io.KeyCtrl = io.KeysDown[sk::KEY_LCTRL] || io.KeysDown[sk::KEY_RCTRL];
io.KeyShift = io.KeysDown[sk::KEY_LSHIFT] || io.KeysDown[sk::KEY_RSHIFT];
io.KeyAlt = io.KeysDown[sk::KEY_LALT] || io.KeysDown[sk::KEY_RALT];
io.KeySuper = false;
if(io.WantSetMousePos)
sk::SetMousePosition(io.MousePos.x, io.MousePos.y);
ImGui::NewFrame();
}
sk::EventStatus
ImGuiEventHandler(sk::Event e, void *param)
{
using namespace sk;
ImGuiIO &io = ImGui::GetIO();
MouseState *ms;
uint c;
switch(e){
case KEYDOWN:
c = *(int*)param;
if(c < 256)
io.KeysDown[c] = 1;
return EVENTPROCESSED;
case KEYUP:
c = *(int*)param;
if(c < 256)
io.KeysDown[c] = 0;
return EVENTPROCESSED;
case CHARINPUT:
c = (uint)(uintptr)param;
io.AddInputCharacter((unsigned short)c);
return EVENTPROCESSED;
case MOUSEMOVE:
ms = (MouseState*)param;
io.MousePos.x = ms->posx;
io.MousePos.y = ms->posy;
return EVENTPROCESSED;
case MOUSEBTN:
ms = (MouseState*)param;
io.MouseDown[0] = !!(ms->buttons & 1);
io.MouseDown[2] = !!(ms->buttons & 2);
io.MouseDown[1] = !!(ms->buttons & 4);
return EVENTPROCESSED;
}
return EVENTPROCESSED;
}

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IMGUI_API bool ImGui_ImplRW_Init(void);
IMGUI_API void ImGui_ImplRW_Shutdown(void);
IMGUI_API void ImGui_ImplRW_NewFrame(float timeDelta);
sk::EventStatus ImGuiEventHandler(sk::Event e, void *param);
void ImGui_ImplRW_RenderDrawLists(ImDrawData* draw_data);

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// [DEAR IMGUI]
// This is a slightly modified version of stb_rect_pack.h 1.00.
// Those changes would need to be pushed into nothings/stb:
// - Added STBRP__CDECL
// Grep for [DEAR IMGUI] to find the changes.
// stb_rect_pack.h - v1.00 - public domain - rectangle packing
// Sean Barrett 2014
//
// Useful for e.g. packing rectangular textures into an atlas.
// Does not do rotation.
//
// Not necessarily the awesomest packing method, but better than
// the totally naive one in stb_truetype (which is primarily what
// this is meant to replace).
//
// Has only had a few tests run, may have issues.
//
// More docs to come.
//
// No memory allocations; uses qsort() and assert() from stdlib.
// Can override those by defining STBRP_SORT and STBRP_ASSERT.
//
// This library currently uses the Skyline Bottom-Left algorithm.
//
// Please note: better rectangle packers are welcome! Please
// implement them to the same API, but with a different init
// function.
//
// Credits
//
// Library
// Sean Barrett
// Minor features
// Martins Mozeiko
// github:IntellectualKitty
//
// Bugfixes / warning fixes
// Jeremy Jaussaud
// Fabian Giesen
//
// Version history:
//
// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
// 0.99 (2019-02-07) warning fixes
// 0.11 (2017-03-03) return packing success/fail result
// 0.10 (2016-10-25) remove cast-away-const to avoid warnings
// 0.09 (2016-08-27) fix compiler warnings
// 0.08 (2015-09-13) really fix bug with empty rects (w=0 or h=0)
// 0.07 (2015-09-13) fix bug with empty rects (w=0 or h=0)
// 0.06 (2015-04-15) added STBRP_SORT to allow replacing qsort
// 0.05: added STBRP_ASSERT to allow replacing assert
// 0.04: fixed minor bug in STBRP_LARGE_RECTS support
// 0.01: initial release
//
// LICENSE
//
// See end of file for license information.
//////////////////////////////////////////////////////////////////////////////
//
// INCLUDE SECTION
//
#ifndef STB_INCLUDE_STB_RECT_PACK_H
#define STB_INCLUDE_STB_RECT_PACK_H
#define STB_RECT_PACK_VERSION 1
#ifdef STBRP_STATIC
#define STBRP_DEF static
#else
#define STBRP_DEF extern
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct stbrp_context stbrp_context;
typedef struct stbrp_node stbrp_node;
typedef struct stbrp_rect stbrp_rect;
#ifdef STBRP_LARGE_RECTS
typedef int stbrp_coord;
#else
typedef unsigned short stbrp_coord;
#endif
STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects);
// Assign packed locations to rectangles. The rectangles are of type
// 'stbrp_rect' defined below, stored in the array 'rects', and there
// are 'num_rects' many of them.
//
// Rectangles which are successfully packed have the 'was_packed' flag
// set to a non-zero value and 'x' and 'y' store the minimum location
// on each axis (i.e. bottom-left in cartesian coordinates, top-left
// if you imagine y increasing downwards). Rectangles which do not fit
// have the 'was_packed' flag set to 0.
//
// You should not try to access the 'rects' array from another thread
// while this function is running, as the function temporarily reorders
// the array while it executes.
//
// To pack into another rectangle, you need to call stbrp_init_target
// again. To continue packing into the same rectangle, you can call
// this function again. Calling this multiple times with multiple rect
// arrays will probably produce worse packing results than calling it
// a single time with the full rectangle array, but the option is
// available.
//
// The function returns 1 if all of the rectangles were successfully
// packed and 0 otherwise.
struct stbrp_rect
{
// reserved for your use:
int id;
// input:
stbrp_coord w, h;
// output:
stbrp_coord x, y;
int was_packed; // non-zero if valid packing
}; // 16 bytes, nominally
STBRP_DEF void stbrp_init_target (stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes);
// Initialize a rectangle packer to:
// pack a rectangle that is 'width' by 'height' in dimensions
// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
//
// You must call this function every time you start packing into a new target.
//
// There is no "shutdown" function. The 'nodes' memory must stay valid for
// the following stbrp_pack_rects() call (or calls), but can be freed after
// the call (or calls) finish.
//
// Note: to guarantee best results, either:
// 1. make sure 'num_nodes' >= 'width'
// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
//
// If you don't do either of the above things, widths will be quantized to multiples
// of small integers to guarantee the algorithm doesn't run out of temporary storage.
//
// If you do #2, then the non-quantized algorithm will be used, but the algorithm
// may run out of temporary storage and be unable to pack some rectangles.
STBRP_DEF void stbrp_setup_allow_out_of_mem (stbrp_context *context, int allow_out_of_mem);
// Optionally call this function after init but before doing any packing to
// change the handling of the out-of-temp-memory scenario, described above.
// If you call init again, this will be reset to the default (false).
STBRP_DEF void stbrp_setup_heuristic (stbrp_context *context, int heuristic);
// Optionally select which packing heuristic the library should use. Different
// heuristics will produce better/worse results for different data sets.
// If you call init again, this will be reset to the default.
enum
{
STBRP_HEURISTIC_Skyline_default=0,
STBRP_HEURISTIC_Skyline_BL_sortHeight = STBRP_HEURISTIC_Skyline_default,
STBRP_HEURISTIC_Skyline_BF_sortHeight
};
//////////////////////////////////////////////////////////////////////////////
//
// the details of the following structures don't matter to you, but they must
// be visible so you can handle the memory allocations for them
struct stbrp_node
{
stbrp_coord x,y;
stbrp_node *next;
};
struct stbrp_context
{
int width;
int height;
int align;
int init_mode;
int heuristic;
int num_nodes;
stbrp_node *active_head;
stbrp_node *free_head;
stbrp_node extra[2]; // we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2'
};
#ifdef __cplusplus
}
#endif
#endif
//////////////////////////////////////////////////////////////////////////////
//
// IMPLEMENTATION SECTION
//
#ifdef STB_RECT_PACK_IMPLEMENTATION
#ifndef STBRP_SORT
#include <stdlib.h>
#define STBRP_SORT qsort
#endif
#ifndef STBRP_ASSERT
#include <assert.h>
#define STBRP_ASSERT assert
#endif
// [DEAR IMGUI] Added STBRP__CDECL
#ifdef _MSC_VER
#define STBRP__NOTUSED(v) (void)(v)
#define STBRP__CDECL __cdecl
#else
#define STBRP__NOTUSED(v) (void)sizeof(v)
#define STBRP__CDECL
#endif
enum
{
STBRP__INIT_skyline = 1
};
STBRP_DEF void stbrp_setup_heuristic(stbrp_context *context, int heuristic)
{
switch (context->init_mode) {
case STBRP__INIT_skyline:
STBRP_ASSERT(heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight || heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight);
context->heuristic = heuristic;
break;
default:
STBRP_ASSERT(0);
}
}
STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_out_of_mem)
{
if (allow_out_of_mem)
// if it's ok to run out of memory, then don't bother aligning them;
// this gives better packing, but may fail due to OOM (even though
// the rectangles easily fit). @TODO a smarter approach would be to only
// quantize once we've hit OOM, then we could get rid of this parameter.
context->align = 1;
else {
// if it's not ok to run out of memory, then quantize the widths
// so that num_nodes is always enough nodes.
//
// I.e. num_nodes * align >= width
// align >= width / num_nodes
// align = ceil(width/num_nodes)
context->align = (context->width + context->num_nodes-1) / context->num_nodes;
}
}
STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
{
int i;
#ifndef STBRP_LARGE_RECTS
STBRP_ASSERT(width <= 0xffff && height <= 0xffff);
#endif
for (i=0; i < num_nodes-1; ++i)
nodes[i].next = &nodes[i+1];
nodes[i].next = NULL;
context->init_mode = STBRP__INIT_skyline;
context->heuristic = STBRP_HEURISTIC_Skyline_default;
context->free_head = &nodes[0];
context->active_head = &context->extra[0];
context->width = width;
context->height = height;
context->num_nodes = num_nodes;
stbrp_setup_allow_out_of_mem(context, 0);
// node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly)
context->extra[0].x = 0;
context->extra[0].y = 0;
context->extra[0].next = &context->extra[1];
context->extra[1].x = (stbrp_coord) width;
#ifdef STBRP_LARGE_RECTS
context->extra[1].y = (1<<30);
#else
context->extra[1].y = 65535;
#endif
context->extra[1].next = NULL;
}
// find minimum y position if it starts at x1
static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0, int width, int *pwaste)
{
stbrp_node *node = first;
int x1 = x0 + width;
int min_y, visited_width, waste_area;
STBRP__NOTUSED(c);
STBRP_ASSERT(first->x <= x0);
#if 0
// skip in case we're past the node
while (node->next->x <= x0)
++node;
#else
STBRP_ASSERT(node->next->x > x0); // we ended up handling this in the caller for efficiency
#endif
STBRP_ASSERT(node->x <= x0);
min_y = 0;
waste_area = 0;
visited_width = 0;
while (node->x < x1) {
if (node->y > min_y) {
// raise min_y higher.
// we've accounted for all waste up to min_y,
// but we'll now add more waste for everything we've visted
waste_area += visited_width * (node->y - min_y);
min_y = node->y;
// the first time through, visited_width might be reduced
if (node->x < x0)
visited_width += node->next->x - x0;
else
visited_width += node->next->x - node->x;
} else {
// add waste area
int under_width = node->next->x - node->x;
if (under_width + visited_width > width)
under_width = width - visited_width;
waste_area += under_width * (min_y - node->y);
visited_width += under_width;
}
node = node->next;
}
*pwaste = waste_area;
return min_y;
}
typedef struct
{
int x,y;
stbrp_node **prev_link;
} stbrp__findresult;
static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int width, int height)
{
int best_waste = (1<<30), best_x, best_y = (1 << 30);
stbrp__findresult fr;
stbrp_node **prev, *node, *tail, **best = NULL;
// align to multiple of c->align
width = (width + c->align - 1);
width -= width % c->align;
STBRP_ASSERT(width % c->align == 0);
// if it can't possibly fit, bail immediately
if (width > c->width || height > c->height) {
fr.prev_link = NULL;
fr.x = fr.y = 0;
return fr;
}
node = c->active_head;
prev = &c->active_head;
while (node->x + width <= c->width) {
int y,waste;
y = stbrp__skyline_find_min_y(c, node, node->x, width, &waste);
if (c->heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight) { // actually just want to test BL
// bottom left
if (y < best_y) {
best_y = y;
best = prev;
}
} else {
// best-fit
if (y + height <= c->height) {
// can only use it if it first vertically
if (y < best_y || (y == best_y && waste < best_waste)) {
best_y = y;
best_waste = waste;
best = prev;
}
}
}
prev = &node->next;
node = node->next;
}
best_x = (best == NULL) ? 0 : (*best)->x;
// if doing best-fit (BF), we also have to try aligning right edge to each node position
//
// e.g, if fitting
//
// ____________________
// |____________________|
//
// into
//
// | |
// | ____________|
// |____________|
//
// then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned
//
// This makes BF take about 2x the time
if (c->heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight) {
tail = c->active_head;
node = c->active_head;
prev = &c->active_head;
// find first node that's admissible
while (tail->x < width)
tail = tail->next;
while (tail) {
int xpos = tail->x - width;
int y,waste;
STBRP_ASSERT(xpos >= 0);
// find the left position that matches this
while (node->next->x <= xpos) {
prev = &node->next;
node = node->next;
}
STBRP_ASSERT(node->next->x > xpos && node->x <= xpos);
y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste);
if (y + height <= c->height) {
if (y <= best_y) {
if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
best_x = xpos;
STBRP_ASSERT(y <= best_y);
best_y = y;
best_waste = waste;
best = prev;
}
}
}
tail = tail->next;
}
}
fr.prev_link = best;
fr.x = best_x;
fr.y = best_y;
return fr;
}
static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, int width, int height)
{
// find best position according to heuristic
stbrp__findresult res = stbrp__skyline_find_best_pos(context, width, height);
stbrp_node *node, *cur;
// bail if:
// 1. it failed
// 2. the best node doesn't fit (we don't always check this)
// 3. we're out of memory
if (res.prev_link == NULL || res.y + height > context->height || context->free_head == NULL) {
res.prev_link = NULL;
return res;
}
// on success, create new node
node = context->free_head;
node->x = (stbrp_coord) res.x;
node->y = (stbrp_coord) (res.y + height);
context->free_head = node->next;
// insert the new node into the right starting point, and
// let 'cur' point to the remaining nodes needing to be
// stiched back in
cur = *res.prev_link;
if (cur->x < res.x) {
// preserve the existing one, so start testing with the next one
stbrp_node *next = cur->next;
cur->next = node;
cur = next;
} else {
*res.prev_link = node;
}
// from here, traverse cur and free the nodes, until we get to one
// that shouldn't be freed
while (cur->next && cur->next->x <= res.x + width) {
stbrp_node *next = cur->next;
// move the current node to the free list
cur->next = context->free_head;
context->free_head = cur;
cur = next;
}
// stitch the list back in
node->next = cur;
if (cur->x < res.x + width)
cur->x = (stbrp_coord) (res.x + width);
#ifdef _DEBUG
cur = context->active_head;
while (cur->x < context->width) {
STBRP_ASSERT(cur->x < cur->next->x);
cur = cur->next;
}
STBRP_ASSERT(cur->next == NULL);
{
int count=0;
cur = context->active_head;
while (cur) {
cur = cur->next;
++count;
}
cur = context->free_head;
while (cur) {
cur = cur->next;
++count;
}
STBRP_ASSERT(count == context->num_nodes+2);
}
#endif
return res;
}
// [DEAR IMGUI] Added STBRP__CDECL
static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
if (p->h > q->h)
return -1;
if (p->h < q->h)
return 1;
return (p->w > q->w) ? -1 : (p->w < q->w);
}
// [DEAR IMGUI] Added STBRP__CDECL
static int STBRP__CDECL rect_original_order(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
}
#ifdef STBRP_LARGE_RECTS
#define STBRP__MAXVAL 0xffffffff
#else
#define STBRP__MAXVAL 0xffff
#endif
STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
{
int i, all_rects_packed = 1;
// we use the 'was_packed' field internally to allow sorting/unsorting
for (i=0; i < num_rects; ++i) {
rects[i].was_packed = i;
}
// sort according to heuristic
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_height_compare);
for (i=0; i < num_rects; ++i) {
if (rects[i].w == 0 || rects[i].h == 0) {
rects[i].x = rects[i].y = 0; // empty rect needs no space
} else {
stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
if (fr.prev_link) {
rects[i].x = (stbrp_coord) fr.x;
rects[i].y = (stbrp_coord) fr.y;
} else {
rects[i].x = rects[i].y = STBRP__MAXVAL;
}
}
}
// unsort
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_original_order);
// set was_packed flags and all_rects_packed status
for (i=0; i < num_rects; ++i) {
rects[i].was_packed = !(rects[i].x == STBRP__MAXVAL && rects[i].y == STBRP__MAXVAL);
if (!rects[i].was_packed)
all_rects_packed = 0;
}
// return the all_rects_packed status
return all_rects_packed;
}
#endif
/*
------------------------------------------------------------------------------
This software is available under 2 licenses -- choose whichever you prefer.
------------------------------------------------------------------------------
ALTERNATIVE A - MIT License
Copyright (c) 2017 Sean Barrett
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
------------------------------------------------------------------------------
ALTERNATIVE B - Public Domain (www.unlicense.org)
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
software, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.
In jurisdictions that recognize copyright laws, the author or authors of this
software dedicate any and all copyright interest in the software to the public
domain. We make this dedication for the benefit of the public at large and to
the detriment of our heirs and successors. We intend this dedication to be an
overt act of relinquishment in perpetuity of all present and future rights to
this software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------------------------
*/

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#ifdef LIBRW_SDL2
#include <rw.h>
#include "skeleton.h"
using namespace sk;
using namespace rw;
#ifdef RW_OPENGL
SDL_Window *window;
static int keyCodeToSkKey(SDL_Keycode keycode) {
switch (keycode) {
case SDLK_SPACE: return ' ';
case SDLK_QUOTE: return '\'';
case SDLK_COMMA: return ',';
case SDLK_MINUS: return '-';
case SDLK_PERIOD: return '.';
case SDLK_SLASH: return '/';
case SDLK_0: return '0';
case SDLK_1: return '1';
case SDLK_2: return '2';
case SDLK_3: return '3';
case SDLK_4: return '4';
case SDLK_5: return '5';
case SDLK_6: return '6';
case SDLK_7: return '7';
case SDLK_8: return '8';
case SDLK_9: return '9';
case SDLK_SEMICOLON: return ';';
case SDLK_EQUALS: return '=';
case SDLK_a: return 'A';
case SDLK_b: return 'B';
case SDLK_c: return 'C';
case SDLK_d: return 'D';
case SDLK_e: return 'E';
case SDLK_f: return 'F';
case SDLK_g: return 'G';
case SDLK_h: return 'H';
case SDLK_i: return 'I';
case SDLK_j: return 'J';
case SDLK_k: return 'K';
case SDLK_l: return 'L';
case SDLK_m: return 'M';
case SDLK_n: return 'N';
case SDLK_o: return 'O';
case SDLK_p: return 'P';
case SDLK_q: return 'Q';
case SDLK_r: return 'R';
case SDLK_s: return 'S';
case SDLK_t: return 'T';
case SDLK_u: return 'U';
case SDLK_v: return 'V';
case SDLK_w: return 'W';
case SDLK_x: return 'X';
case SDLK_y: return 'Y';
case SDLK_z: return 'Z';
case SDLK_LEFTBRACKET: return '[';
case SDLK_BACKSLASH: return '\\';
case SDLK_RIGHTBRACKET: return ']';
case SDLK_BACKQUOTE: return '`';
case SDLK_ESCAPE: return KEY_ESC;
case SDLK_RETURN: return KEY_ENTER;
case SDLK_TAB: return KEY_TAB;
case SDLK_BACKSPACE: return KEY_BACKSP;
case SDLK_INSERT: return KEY_INS;
case SDLK_DELETE: return KEY_DEL;
case SDLK_RIGHT: return KEY_RIGHT;
case SDLK_LEFT: return KEY_LEFT;
case SDLK_DOWN: return KEY_DOWN;
case SDLK_UP: return KEY_UP;
case SDLK_PAGEUP: return KEY_PGUP;
case SDLK_PAGEDOWN: return KEY_PGDN;
case SDLK_HOME: return KEY_HOME;
case SDLK_END: return KEY_END;
case SDLK_CAPSLOCK: return KEY_CAPSLK;
case SDLK_SCROLLLOCK: return KEY_NULL;
case SDLK_NUMLOCKCLEAR: return KEY_NULL;
case SDLK_PRINTSCREEN: return KEY_NULL;
case SDLK_PAUSE: return KEY_NULL;
case SDLK_F1: return KEY_F1;
case SDLK_F2: return KEY_F2;
case SDLK_F3: return KEY_F3;
case SDLK_F4: return KEY_F4;
case SDLK_F5: return KEY_F5;
case SDLK_F6: return KEY_F6;
case SDLK_F7: return KEY_F7;
case SDLK_F8: return KEY_F8;
case SDLK_F9: return KEY_F9;
case SDLK_F10: return KEY_F10;
case SDLK_F11: return KEY_F11;
case SDLK_F12: return KEY_F12;
case SDLK_F13: return KEY_NULL;
case SDLK_F14: return KEY_NULL;
case SDLK_F15: return KEY_NULL;
case SDLK_F16: return KEY_NULL;
case SDLK_F17: return KEY_NULL;
case SDLK_F18: return KEY_NULL;
case SDLK_F19: return KEY_NULL;
case SDLK_F20: return KEY_NULL;
case SDLK_F21: return KEY_NULL;
case SDLK_F22: return KEY_NULL;
case SDLK_F23: return KEY_NULL;
case SDLK_F24: return KEY_NULL;
case SDLK_KP_0: return KEY_NULL;
case SDLK_KP_1: return KEY_NULL;
case SDLK_KP_2: return KEY_NULL;
case SDLK_KP_3: return KEY_NULL;
case SDLK_KP_4: return KEY_NULL;
case SDLK_KP_5: return KEY_NULL;
case SDLK_KP_6: return KEY_NULL;
case SDLK_KP_7: return KEY_NULL;
case SDLK_KP_8: return KEY_NULL;
case SDLK_KP_9: return KEY_NULL;
case SDLK_KP_DECIMAL: return KEY_NULL;
case SDLK_KP_DIVIDE: return KEY_NULL;
case SDLK_KP_MULTIPLY: return KEY_NULL;
case SDLK_KP_MINUS: return KEY_NULL;
case SDLK_KP_PLUS: return KEY_NULL;
case SDLK_KP_ENTER: return KEY_NULL;
case SDLK_KP_EQUALS: return KEY_NULL;
case SDLK_LSHIFT: return KEY_LSHIFT;
case SDLK_LCTRL: return KEY_LCTRL;
case SDLK_LALT: return KEY_LALT;
case SDLK_LGUI: return KEY_NULL;
case SDLK_RSHIFT: return KEY_RSHIFT;
case SDLK_RCTRL: return KEY_RCTRL;
case SDLK_RALT: return KEY_RALT;
case SDLK_RGUI: return KEY_NULL;
case SDLK_MENU: return KEY_NULL;
}
return KEY_NULL;
}
#if 0
static void
keypress(SDL_Window *window, int key, int scancode, int action, int mods)
{
if(key >= 0 && key <= GLFW_KEY_LAST){
if(action == GLFW_RELEASE) KeyUp(keymap[key]);
else if(action == GLFW_PRESS) KeyDown(keymap[key]);
else if(action == GLFW_REPEAT) KeyDown(keymap[key]);
}
}
static void
charinput(GLFWwindow *window, unsigned int c)
{
EventHandler(CHARINPUT, (void*)(uintptr)c);
}
static void
resize(GLFWwindow *window, int w, int h)
{
rw::Rect r;
r.x = 0;
r.y = 0;
r.w = w;
r.h = h;
EventHandler(RESIZE, &r);
}
static void
mousebtn(GLFWwindow *window, int button, int action, int mods)
{
static int buttons = 0;
sk::MouseState ms;
switch(button){
case GLFW_MOUSE_BUTTON_LEFT:
if(action == GLFW_PRESS)
buttons |= 1;
else
buttons &= ~1;
break;
case GLFW_MOUSE_BUTTON_MIDDLE:
if(action == GLFW_PRESS)
buttons |= 2;
else
buttons &= ~2;
break;
case GLFW_MOUSE_BUTTON_RIGHT:
if(action == GLFW_PRESS)
buttons |= 4;
else
buttons &= ~4;
break;
}
sk::MouseState ms;
ms.buttons = buttons;
EventHandler(MOUSEBTN, &ms);
}
#endif
enum mousebutton {
BUTTON_LEFT = 0x1,
BUTTON_MIDDLE = 0x2,
BUTTON_RIGHT = 0x4,
};
int
main(int argc, char *argv[])
{
args.argc = argc;
args.argv = argv;
if(EventHandler(INITIALIZE, nil) == EVENTERROR)
return 0;
engineOpenParams.width = sk::globals.width;
engineOpenParams.height = sk::globals.height;
engineOpenParams.windowtitle = sk::globals.windowtitle;
engineOpenParams.window = &window;
if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
return 0;
float lastTime = SDL_GetTicks();
SDL_Event event;
int mouseButtons = 0;
SDL_StartTextInput();
while(!sk::globals.quit){
while(SDL_PollEvent(&event)){
switch(event.type){
case SDL_QUIT:
sk::globals.quit = true;
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED: {
rw::Rect r;
SDL_GetWindowPosition(window, &r.x, &r.y);
r.w = event.window.data1;
r.h = event.window.data2;
EventHandler(RESIZE, &r);
break;
}
}
break;
case SDL_KEYUP: {
int c = keyCodeToSkKey(event.key.keysym.sym);
EventHandler(KEYUP, &c);
break;
}
case SDL_KEYDOWN: {
int c = keyCodeToSkKey(event.key.keysym.sym);
EventHandler(KEYDOWN, &c);
break;
}
case SDL_TEXTINPUT: {
char *c = event.text.text;
while (int ci = *c) {
EventHandler(CHARINPUT, (void*)(uintptr)ci);
++c;
}
break;
}
case SDL_MOUSEMOTION: {
sk::MouseState ms;
ms.posx = event.motion.x;
ms.posy = event.motion.y;
EventHandler(MOUSEMOVE, &ms);
break;
}
case SDL_MOUSEBUTTONDOWN: {
switch (event.button.button) {
case SDL_BUTTON_LEFT: mouseButtons |= BUTTON_LEFT; break;
case SDL_BUTTON_MIDDLE: mouseButtons |= BUTTON_MIDDLE; break;
case SDL_BUTTON_RIGHT: mouseButtons |= BUTTON_RIGHT; break;
}
sk::MouseState ms;
ms.buttons = mouseButtons;
EventHandler(MOUSEBTN, &ms);
break;
}
case SDL_MOUSEBUTTONUP: {
switch (event.button.button) {
case SDL_BUTTON_LEFT: mouseButtons &= ~BUTTON_LEFT; break;
case SDL_BUTTON_MIDDLE: mouseButtons &= ~BUTTON_MIDDLE; break;
case SDL_BUTTON_RIGHT: mouseButtons &= ~BUTTON_RIGHT; break;
}
sk::MouseState ms;
ms.buttons = mouseButtons;
EventHandler(MOUSEBTN, &ms);
break;
}
}
}
float currTime = SDL_GetTicks();
float timeDelta = (currTime - lastTime) * 0.001f;
EventHandler(IDLE, &timeDelta);
lastTime = currTime;
}
SDL_StopTextInput();
EventHandler(RWTERMINATE, nil);
return 0;
}
namespace sk {
void
SetMousePosition(int x, int y)
{
SDL_WarpMouseInWindow(*engineOpenParams.window, x, y);
}
}
#endif
#endif

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#include <rw.h>
#include "skeleton.h"
namespace sk {
Globals globals;
Args args;
bool
InitRW(void)
{
if(!rw::Engine::init())
return false;
if(AppEventHandler(sk::PLUGINATTACH, nil) == EVENTERROR)
return false;
if(!rw::Engine::open(&engineOpenParams))
return false;
SubSystemInfo info;
int i, n;
n = Engine::getNumSubSystems();
for(i = 0; i < n; i++)
if(Engine::getSubSystemInfo(&info, i))
printf("subsystem: %s\n", info.name);
Engine::setSubSystem(n-1);
int want = -1;
VideoMode mode;
n = Engine::getNumVideoModes();
for(i = 0; i < n; i++)
if(Engine::getVideoModeInfo(&mode, i)){
// if(mode.width == 640 && mode.height == 480 && mode.depth == 32)
if(mode.width == 1920 && mode.height == 1080 && mode.depth == 32)
want = i;
printf("mode: %dx%dx%d %d\n", mode.width, mode.height, mode.depth, mode.flags);
}
// if(want >= 0) Engine::setVideoMode(want);
Engine::getVideoModeInfo(&mode, Engine::getCurrentVideoMode());
if(mode.flags & VIDEOMODEEXCLUSIVE){
globals.width = mode.width;
globals.height = mode.height;
}
if(!rw::Engine::start())
return false;
rw::Charset::open();
rw::Image::setSearchPath("./");
return true;
}
void
TerminateRW(void)
{
rw::Charset::close();
// TODO: delete all tex dicts
rw::Engine::stop();
rw::Engine::close();
rw::Engine::term();
}
Camera*
CameraCreate(int32 width, int32 height, bool32 z)
{
Camera *cam;
cam = Camera::create();
cam->setFrame(Frame::create());
cam->frameBuffer = Raster::create(width, height, 0, Raster::CAMERA);
cam->zBuffer = Raster::create(width, height, 0, Raster::ZBUFFER);
return cam;
}
void
CameraDestroy(rw::Camera *cam)
{
if(cam->frameBuffer){
cam->frameBuffer->destroy();
cam->frameBuffer = nil;
}
if(cam->zBuffer){
cam->zBuffer->destroy();
cam->zBuffer = nil;
}
rw::Frame *frame = cam->getFrame();
if(frame){
cam->setFrame(nil);
frame->destroy();
}
cam->destroy();
}
void
CameraSize(Camera *cam, Rect *r, float viewWindow, float aspectRatio)
{
if(cam->frameBuffer){
cam->frameBuffer->destroy();
cam->frameBuffer = nil;
}
if(cam->zBuffer){
cam->zBuffer->destroy();
cam->zBuffer = nil;
}
cam->frameBuffer = Raster::create(r->w, r->h, 0, Raster::CAMERA);
cam->zBuffer = Raster::create(r->w, r->h, 0, Raster::ZBUFFER);
if(viewWindow != 0.0f){
rw::V2d vw;
// TODO: aspect ratio when fullscreen
if(r->w > r->h){
vw.x = viewWindow;
vw.y = viewWindow / ((float)r->w/r->h);
}else{
vw.x = viewWindow / ((float)r->h/r->w);
vw.y = viewWindow;
}
cam->setViewWindow(&vw);
}
}
void
CameraMove(Camera *cam, V3d *delta)
{
rw::V3d offset;
rw::V3d::transformVectors(&offset, delta, 1, &cam->getFrame()->matrix);
cam->getFrame()->translate(&offset);
}
void
CameraPan(Camera *cam, V3d *pos, float angle)
{
rw::Frame *frame = cam->getFrame();
rw::V3d trans = pos ? *pos : frame->matrix.pos;
rw::V3d negTrans = rw::scale(trans, -1.0f);
frame->translate(&negTrans);
frame->rotate(&frame->matrix.up, angle);
frame->translate(&trans);
}
void
CameraTilt(Camera *cam, V3d *pos, float angle)
{
rw::Frame *frame = cam->getFrame();
rw::V3d trans = pos ? *pos : frame->matrix.pos;
rw::V3d negTrans = rw::scale(trans, -1.0f);
frame->translate(&negTrans);
frame->rotate(&frame->matrix.right, angle);
frame->translate(&trans);
}
void
CameraRotate(Camera *cam, V3d *pos, float angle)
{
rw::Frame *frame = cam->getFrame();
rw::V3d trans = pos ? *pos : frame->matrix.pos;
rw::V3d negTrans = rw::scale(trans, -1.0f);
frame->translate(&negTrans);
frame->rotate(&frame->matrix.at, angle);
frame->translate(&negTrans);
}
EventStatus
EventHandler(Event e, void *param)
{
EventStatus s;
if (e == INITIALIZE) {
ImGui::CreateContext();
}
s = AppEventHandler(e, param);
if(e == QUIT){
globals.quit = 1;
return EVENTPROCESSED;
}
if(s == EVENTNOTPROCESSED)
switch(e){
case RWINITIALIZE:
return InitRW() ? EVENTPROCESSED : EVENTERROR;
case RWTERMINATE:
TerminateRW();
return EVENTPROCESSED;
default:
break;
}
return s;
}
}

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vendor/librw/skeleton/skeleton.h vendored Normal file
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extern rw::EngineOpenParams engineOpenParams;
namespace sk {
using namespace rw;
// same as RW skeleton
enum Key
{
// ascii...
KEY_ESC = 128,
KEY_F1 = 129,
KEY_F2 = 130,
KEY_F3 = 131,
KEY_F4 = 132,
KEY_F5 = 133,
KEY_F6 = 134,
KEY_F7 = 135,
KEY_F8 = 136,
KEY_F9 = 137,
KEY_F10 = 138,
KEY_F11 = 139,
KEY_F12 = 140,
KEY_INS = 141,
KEY_DEL = 142,
KEY_HOME = 143,
KEY_END = 144,
KEY_PGUP = 145,
KEY_PGDN = 146,
KEY_UP = 147,
KEY_DOWN = 148,
KEY_LEFT = 149,
KEY_RIGHT = 150,
// some stuff ommitted
KEY_BACKSP = 168,
KEY_TAB = 169,
KEY_CAPSLK = 170,
KEY_ENTER = 171,
KEY_LSHIFT = 172,
KEY_RSHIFT = 173,
KEY_LCTRL = 174,
KEY_RCTRL = 175,
KEY_LALT = 176,
KEY_RALT = 177,
KEY_NULL, // unused
KEY_NUMKEYS,
};
enum EventStatus
{
EVENTERROR,
EVENTPROCESSED,
EVENTNOTPROCESSED
};
enum Event
{
INITIALIZE,
RWINITIALIZE,
RWTERMINATE,
SELECTDEVICE,
PLUGINATTACH,
KEYDOWN,
KEYUP,
CHARINPUT,
MOUSEMOVE,
MOUSEBTN,
RESIZE,
IDLE,
QUIT
};
struct Globals
{
const char *windowtitle;
int32 width;
int32 height;
bool32 quit;
};
extern Globals globals;
// Argument to mouse events
struct MouseState
{
int posx, posy;
int buttons; // bits 0-2 are left, middle, right button down
};
struct Args
{
int argc;
char **argv;
};
extern Args args;
bool InitRW(void);
void TerminateRW(void);
Camera *CameraCreate(int32 width, int32 height, bool32 z);
void CameraDestroy(rw::Camera *cam);
void CameraSize(Camera *cam, Rect *r, float viewWindow = 0.0f, float aspectRatio = 0.0f);
void CameraMove(Camera *cam, V3d *delta);
void CameraPan(Camera *cam, V3d *pos, float angle);
void CameraTilt(Camera *cam, V3d *pos, float angle);
void CameraRotate(Camera *cam, V3d *pos, float angle);
void SetMousePosition(int x, int y);
EventStatus EventHandler(Event e, void *param);
}
sk::EventStatus AppEventHandler(sk::Event e, void *param);
#include "imgui/imgui.h"
#include "imgui/imgui_impl_rw.h"

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#ifdef _WIN32
#include <windows.h>
#include <rw.h>
#include "skeleton.h"
using namespace sk;
using namespace rw;
#ifdef RW_D3D9
#ifndef VK_OEM_NEC_EQUAL
#define VK_OEM_NEC_EQUAL 0x92
#endif
static int keymap[256];
static void
initkeymap(void)
{
int i;
for(i = 0; i < 256; i++)
keymap[i] = KEY_NULL;
keymap[VK_SPACE] = ' ';
keymap[VK_OEM_7] = '\'';
keymap[VK_OEM_COMMA] = ',';
keymap[VK_OEM_MINUS] = '-';
keymap[VK_OEM_PERIOD] = '.';
keymap[VK_OEM_2] = '/';
for(i = '0'; i <= '9'; i++)
keymap[i] = i;
keymap[VK_OEM_1] = ';';
keymap[VK_OEM_NEC_EQUAL] = '=';
for(i = 'A'; i <= 'Z'; i++)
keymap[i] = i;
keymap[VK_OEM_4] = '[';
keymap[VK_OEM_5] = '\\';
keymap[VK_OEM_6] = ']';
keymap[VK_OEM_3] = '`';
keymap[VK_ESCAPE] = KEY_ESC;
keymap[VK_RETURN] = KEY_ENTER;
keymap[VK_TAB] = KEY_TAB;
keymap[VK_BACK] = KEY_BACKSP;
keymap[VK_INSERT] = KEY_INS;
keymap[VK_DELETE] = KEY_DEL;
keymap[VK_RIGHT] = KEY_RIGHT;
keymap[VK_LEFT] = KEY_LEFT;
keymap[VK_DOWN] = KEY_DOWN;
keymap[VK_UP] = KEY_UP;
keymap[VK_PRIOR] = KEY_PGUP;
keymap[VK_NEXT] = KEY_PGDN;
keymap[VK_HOME] = KEY_HOME;
keymap[VK_END] = KEY_END;
keymap[VK_MODECHANGE] = KEY_CAPSLK;
for(i = VK_F1; i <= VK_F24; i++)
keymap[i] = i-VK_F1+KEY_F1;
keymap[VK_LSHIFT] = KEY_LSHIFT;
keymap[VK_LCONTROL] = KEY_LCTRL;
keymap[VK_LMENU] = KEY_LALT;
keymap[VK_RSHIFT] = KEY_RSHIFT;
keymap[VK_RCONTROL] = KEY_RCTRL;
keymap[VK_RMENU] = KEY_RALT;
}
bool running;
static void KeyUp(int key) { EventHandler(KEYUP, &key); }
static void KeyDown(int key) { EventHandler(KEYDOWN, &key); }
LRESULT CALLBACK
WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static int resizing = 0;
static int buttons = 0;
POINTS p;
MouseState ms;
switch(msg){
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
if(wParam == VK_MENU){
if(GetKeyState(VK_LMENU) & 0x8000) KeyDown(keymap[VK_LMENU]);
if(GetKeyState(VK_RMENU) & 0x8000) KeyDown(keymap[VK_RMENU]);
}else if(wParam == VK_CONTROL){
if(GetKeyState(VK_LCONTROL) & 0x8000) KeyDown(keymap[VK_LCONTROL]);
if(GetKeyState(VK_RCONTROL) & 0x8000) KeyDown(keymap[VK_RCONTROL]);
}else if(wParam == VK_SHIFT){
if(GetKeyState(VK_LSHIFT) & 0x8000) KeyDown(keymap[VK_LSHIFT]);
if(GetKeyState(VK_RSHIFT) & 0x8000) KeyDown(keymap[VK_RSHIFT]);
}else
KeyDown(keymap[wParam]);
break;
case WM_SYSKEYUP:
case WM_KEYUP:
if(wParam == VK_MENU){
if((GetKeyState(VK_LMENU) & 0x8000) == 0) KeyUp(keymap[VK_LMENU]);
if((GetKeyState(VK_RMENU) & 0x8000) == 0) KeyUp(keymap[VK_RMENU]);
}else if(wParam == VK_CONTROL){
if((GetKeyState(VK_LCONTROL) & 0x8000) == 0) KeyUp(keymap[VK_LCONTROL]);
if((GetKeyState(VK_RCONTROL) & 0x8000) == 0) KeyUp(keymap[VK_RCONTROL]);
}else if(wParam == VK_SHIFT){
if((GetKeyState(VK_LSHIFT) & 0x8000) == 0) KeyUp(keymap[VK_LSHIFT]);
if((GetKeyState(VK_RSHIFT) & 0x8000) == 0) KeyUp(keymap[VK_RSHIFT]);
}else
KeyUp(keymap[wParam]);
break;
case WM_CHAR:
if(wParam > 0 && wParam < 0x10000)
EventHandler(CHARINPUT, (void*)wParam);
break;
case WM_MOUSEMOVE:
p = MAKEPOINTS(lParam);
ms.posx = p.x;
ms.posy = p.y;
EventHandler(MOUSEMOVE, &ms);
break;
case WM_LBUTTONDOWN:
buttons |= 1; goto mbtn;
case WM_LBUTTONUP:
buttons &= ~1; goto mbtn;
case WM_MBUTTONDOWN:
buttons |= 2; goto mbtn;
case WM_MBUTTONUP:
buttons &= ~2; goto mbtn;
case WM_RBUTTONDOWN:
buttons |= 4; goto mbtn;
case WM_RBUTTONUP:
buttons &= ~4;
mbtn:
ms.buttons = buttons;
EventHandler(MOUSEBTN, &ms);
break;
case WM_SIZE:
rw::Rect r;
r.x = 0;
r.y = 0;
r.w = LOWORD(lParam);
r.h = HIWORD(lParam);
EventHandler(RESIZE, &r);
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_SYSCOMMAND:
if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
return 0;
break;
case WM_QUIT:
running = false;
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
HWND
MakeWindow(HINSTANCE instance, int width, int height, const char *title)
{
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = instance;
wc.hIcon = LoadIcon(0, IDI_APPLICATION);
wc.hCursor = LoadCursor(0, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = 0;
wc.lpszClassName = "librwD3D9";
if(!RegisterClass(&wc)){
MessageBox(0, "RegisterClass() - FAILED", 0, 0);
return 0;
}
int offx = 100;
int offy = 100;
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = width;
rect.bottom = height;
DWORD style = WS_OVERLAPPEDWINDOW;
AdjustWindowRect(&rect, style, FALSE);
rect.right += -rect.left;
rect.bottom += -rect.top;
HWND win;
win = CreateWindow("librwD3D9", title, style,
offx, offy, rect.right, rect.bottom, 0, 0, instance, 0);
if(!win){
MessageBox(0, "CreateWindow() - FAILED", 0, 0);
return 0;
}
ShowWindow(win, SW_SHOW);
UpdateWindow(win);
return win;
}
void
pollEvents(void)
{
MSG msg;
while(PeekMessage(&msg, 0, 0, 0, PM_REMOVE)){
if(msg.message == WM_QUIT){
running = false;
break;
}else{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
int WINAPI
WinMain(HINSTANCE instance, HINSTANCE,
PSTR cmdLine, int showCmd)
{
/*
AllocConsole();
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
*/
INT64 ticks;
INT64 ticksPerSecond;
if(!QueryPerformanceFrequency((LARGE_INTEGER*)&ticksPerSecond))
return 0;
if(!QueryPerformanceCounter((LARGE_INTEGER*)&ticks))
return 0;
#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
args.argc = _argc;
args.argv = _argv;
#else
args.argc = __argc;
args.argv = __argv;
#endif
if(EventHandler(INITIALIZE, nil) == EVENTERROR)
return 0;
HWND win = MakeWindow(instance,
sk::globals.width, sk::globals.height,
sk::globals.windowtitle);
if(win == 0){
MessageBox(0, "MakeWindow() - FAILED", 0, 0);
return 0;
}
engineOpenParams.window = win;
initkeymap();
if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
return 0;
INT64 lastTicks;
QueryPerformanceCounter((LARGE_INTEGER *)&lastTicks);
running = true;
while((pollEvents(), running) && !globals.quit){
QueryPerformanceCounter((LARGE_INTEGER *)&ticks);
float timeDelta = (float)(ticks - lastTicks)/ticksPerSecond;
EventHandler(IDLE, &timeDelta);
lastTicks = ticks;
}
EventHandler(RWTERMINATE, nil);
return 0;
}
namespace sk {
void
SetMousePosition(int x, int y)
{
POINT pos = { x, y };
ClientToScreen(engineOpenParams.window, &pos);
SetCursorPos(pos.x, pos.y);
}
}
#endif
#ifdef RW_OPENGL
int main(int argc, char *argv[]);
int WINAPI
WinMain(HINSTANCE instance, HINSTANCE,
PSTR cmdLine, int showCmd)
{
/*
AllocConsole();
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
*/
#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
return main(_argc, _argv);
#else
return main(__argc, __argv);
#endif
}
#endif
#endif