librw/skeleton/glfw.cpp

#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