librw/skeleton/sdl2.cpp

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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;
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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;
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if(EventHandler(RWINITIALIZE, nil) == EVENTERROR)
return 0;
Uint64 lastTicks = SDL_GetPerformanceCounter();
const float tickPeriod = 1.f / SDL_GetPerformanceFrequency();
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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;
}
}
}
Uint64 currTicks = SDL_GetPerformanceCounter();
float timeDelta = (currTicks - lastTicks) * tickPeriod;
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EventHandler(IDLE, &timeDelta);
lastTicks = currTicks;
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}
SDL_StopTextInput();
EventHandler(RWTERMINATE, nil);
return 0;
}
namespace sk {
void
SetMousePosition(int x, int y)
{
SDL_WarpMouseInWindow(*engineOpenParams.window, x, y);
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}
}
#endif
#endif