Import aap/librw @ masterHEADmaster

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).

1 files changed, 327 insertions, 0 deletions

diff --git a/skeleton/sdl2.cpp b/skeleton/sdl2.cpp
new file mode 100644
index 0000000..80a9f05
--- /dev/null
+++ b/skeleton/sdl2.cpp
@@ -0,0 +1,327 @@
+#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;
+
+	Uint64 lastTicks = SDL_GetPerformanceCounter();
+	const float tickPeriod = 1.f / SDL_GetPerformanceFrequency();
+	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;
+
+		EventHandler(IDLE, &timeDelta);
+
+		lastTicks = currTicks;
+	}
+
+	SDL_StopTextInput();
+
+	EventHandler(RWTERMINATE, nil);
+
+	return 0;
+}
+
+namespace sk {
+
+void
+SetMousePosition(int x, int y)
+{
+	SDL_WarpMouseInWindow(*engineOpenParams.window, x, y);
+}
+
+}
+
+#endif
+#endif