nuclear@0: #include <assert.h>
nuclear@0: #include "scr_debug.h"
nuclear@0: #include "opengl.h"
nuclear@0: #include "unistate.h"
nuclear@0: #include "sdrman.h"
nuclear@0: #include "game.h"
nuclear@0: #include "drawtext/drawtext.h"
nuclear@0: #include "datapath.h"
nuclear@0: #include "logger.h"
nuclear@0: #include "timer.h"
nuclear@0: #include "scr_game.h"
nuclear@0: #include "gfxutil.h"
nuclear@0: 
nuclear@0: static ShaderProg *sdr, *color_sdr;
nuclear@0: static struct dtx_font *font;
nuclear@0: 
nuclear@0: const char *DebugScreen::get_name() const
nuclear@0: {
nuclear@0: 	return "DebugScreen";
nuclear@0: }
nuclear@0: 
nuclear@0: #define FONT_FILENAME	"consolas.ttf"
nuclear@0: #define FONT_SIZE		20
nuclear@0: 
nuclear@0: bool DebugScreen::init()
nuclear@0: {
nuclear@0: 	if(!(sdr = get_sdrprog("font.v.glsl", "font.p.glsl"))) {
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@0: 	int vattr = sdr->get_attrib_location("attr_vertex");
nuclear@0: 	int tcattr = sdr->get_attrib_location("attr_texcoord");
nuclear@0: 	assert(vattr != -1 && tcattr != -1);
nuclear@0: 
nuclear@0: 	dtx_vertex_attribs(vattr, tcattr);
nuclear@0: 
nuclear@0: 	if(!(font = dtx_open_font(datafile_path(FONT_FILENAME).c_str(), FONT_SIZE))) {
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if(!(color_sdr = get_sdrprog("color.v.glsl", "color.p.glsl"))) {
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: void DebugScreen::cleanup()
nuclear@0: {
nuclear@0: 	delete sdr;
nuclear@0: 	dtx_close_font(font);
nuclear@0: }
nuclear@0: 
nuclear@0: void DebugScreen::display() const
nuclear@0: {
nuclear@0: 	OverlayScreen::display();	// this will draw the previous screen
nuclear@0: 
nuclear@0: 	static unsigned long frame;
nuclear@0: 	static unsigned long prev_tm;
nuclear@0: 	unsigned long tm = get_time_msec();
nuclear@0: 	static char fps_text[64];
nuclear@0: 
nuclear@0: 	frame++;
nuclear@0: 	unsigned long interval = tm - prev_tm;
nuclear@0: 	if(interval >= 1000) {
nuclear@0: 		float fps = (float)frame / ((float)interval / 1000.0f);
nuclear@0: 		sprintf(fps_text, "fps: %.1f", fps);
nuclear@0: 
nuclear@0: 		frame = 0;
nuclear@0: 		prev_tm = tm;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	Matrix4x4 mat;
nuclear@0: 	mat.set_translation(Vector3(5, get_screen_height() - 20, 0));
nuclear@0: 	set_world_matrix(mat);
nuclear@0: 
nuclear@0: 	set_unistate("st_color", Vector4(1, 1, 0, 1));
nuclear@0: 
nuclear@0: 	sdr->bind();
nuclear@0: 
nuclear@0: 	dtx_use_font(font, FONT_SIZE);
nuclear@0: 	dtx_string(fps_text);
nuclear@0: 	dtx_flush();
nuclear@0: }