nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include "opengl.h"
nuclear@1: #include "effect.h"
nuclear@0: #include "psys.h"
nuclear@0: 
nuclear@0: #include "hello1.h"
nuclear@0: #include "hello2.h"
nuclear@0: #include "pimg.h"
nuclear@0: 
nuclear@2: #define HELLO_DURATION	4000
nuclear@2: 
nuclear@0: static PSysParam ppmain;
nuclear@0: static PSysParam ppexpl, ppflame;
nuclear@0: 
nuclear@0: static ParticleSystem psys;
nuclear@0: static Image *pimg;
nuclear@0: static Image *simg[2];
nuclear@2: static int cur_simg = -1;
nuclear@2: static bool exploding;
nuclear@2: 
nuclear@2: static void explode();
nuclear@0: 
nuclear@1: bool fx_init()
nuclear@0: {
nuclear@0: 	ppmain.spawn_rate = 20000;
nuclear@0: 	ppmain.size = 0.06;
nuclear@0: 	ppmain.spawn_range = 0.01;
nuclear@0: 	ppmain.life = 0.4;
nuclear@0: 	ppmain.gravity = Vector3(0, 0.01, 0);
nuclear@0: 
nuclear@0: 	ppmain.pcolor_start = Vector3(0.717, 0.494, 0.951) * 0.6;
nuclear@0: 	ppmain.pcolor_end = Vector3(0.9, 0.135, 0.005) * 0.6;
nuclear@0: 	ppmain.pcolor_mid = lerp(ppmain.pcolor_start, ppmain.pcolor_mid, 0.5);
nuclear@0: 
nuclear@0: 	ppmain.palpha_start = 1.0;
nuclear@0: 	ppmain.palpha_mid = 0.5;
nuclear@0: 	ppmain.palpha_end = 0.0;
nuclear@0: 
nuclear@0: 	ppmain.pscale_start = 1.0;
nuclear@0: 	ppmain.pscale_mid = 1.0;
nuclear@0: 	ppmain.pscale_end = 7.0;
nuclear@0: 
nuclear@0: 	pimg = new Image;
nuclear@0: 	pimg->pixels = (unsigned char*)img_particle.pixel_data;
nuclear@0: 	pimg->width = img_particle.width;
nuclear@0: 	pimg->height = img_particle.height;
nuclear@0: 
nuclear@0: 	ppmain.pimg = pimg;
nuclear@0: 
nuclear@0: 	simg[0] = new Image;
nuclear@0: 	simg[0]->pixels = (unsigned char*)img_hello1.pixel_data;
nuclear@0: 	simg[0]->width = img_hello1.width;
nuclear@0: 	simg[0]->height = img_hello1.height;
nuclear@0: 
nuclear@0: 	simg[1] = new Image;
nuclear@0: 	simg[1]->pixels = (unsigned char*)img_hello2.pixel_data;
nuclear@0: 	simg[1]->width = img_hello2.width;
nuclear@0: 	simg[1]->height = img_hello2.height;
nuclear@0: 
nuclear@0: 	ppmain.spawn_map = simg[0];
nuclear@0: 	ppmain.spawn_map_speed = 0.8;
nuclear@0: 	psys.pp = ppmain;
nuclear@2: 	psys.active = false;
nuclear@0: 
nuclear@0: 	// explosion parameters
nuclear@0: 	ppexpl = ppmain;
nuclear@0: 	ppexpl.pcolor_start = ppmain.pcolor_mid;
nuclear@0: 	ppexpl.pcolor_mid = lerp(ppexpl.pcolor_start, ppexpl.pcolor_end, 0.5);
nuclear@0: 
nuclear@0: 	ppexpl.palpha_start = 1.0;
nuclear@0: 	ppexpl.palpha_mid = 0.5;
nuclear@0: 	ppexpl.palpha_end = 0.05;
nuclear@0: 
nuclear@0: 	ppexpl.pscale_start = 1.0;
nuclear@0: 	ppexpl.pscale_mid = 3.0;
nuclear@0: 	ppexpl.pscale_end = 5.0;
nuclear@0: 	ppexpl.gravity = Vector3(0, -6, 0);
nuclear@0: 
nuclear@0: 	// flame parameters
nuclear@0: 	ppflame = ppexpl;
nuclear@0: 	ppflame.pcolor_start = Vector3(1.0, 0.8, 0.2) * 0.5;
nuclear@0: 	ppflame.pcolor_mid = Vector3(1.0, 0.3, 0.2) * 0.5;
nuclear@0: 	ppflame.pcolor_end = Vector3(0.1, 0.1, 0.1);
nuclear@0: 	//ppflame.pcolor_mid = lerp(ppflame.pcolor_start, ppflame.pcolor_end, 0.6);
nuclear@0: 
nuclear@0: 	ppflame.life = 0.5;
nuclear@0: 	ppflame.life_range = 0.25;
nuclear@0: 	ppflame.size = 0.07;
nuclear@0: 	ppflame.size_range = 0.03;
nuclear@0: 	ppflame.spawn_rate = 18000;
nuclear@0: 	ppflame.gravity = Vector3(0, 2, 0);
nuclear@0: 
nuclear@0: 	ppflame.palpha_start *= 0.7;
nuclear@0: 	ppflame.palpha_mid *= 0.7;
nuclear@0: 	ppflame.palpha_end *= 0.7;
nuclear@0: 
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@1: void fx_cleanup()
nuclear@0: {
nuclear@0: 	delete pimg;
nuclear@0: 	delete simg[0];
nuclear@0: 	delete simg[1];
nuclear@0: }
nuclear@0: 
nuclear@1: void fx_draw(unsigned long msec)
nuclear@0: {
nuclear@2: 	static unsigned long prev_msec, ps_start_time;
nuclear@0: 	float dt = (msec - prev_msec) / 1000.0;
nuclear@0: 	prev_msec = msec;
nuclear@0: 
nuclear@2: 	if(!psys.alive()) {
nuclear@2: 		cur_simg = (cur_simg + 1) & 1;
nuclear@2: 		printf("starting %d\n", cur_simg);
nuclear@2: 
nuclear@2: 		psys.reset();
nuclear@2: 		ppflame.spawn_map = simg[cur_simg];
nuclear@2: 		ppexpl.spawn_map = simg[cur_simg];
nuclear@2: 		ppmain.spawn_map = simg[cur_simg];
nuclear@2: 		psys.pp = ppmain;
nuclear@2: 		ps_start_time = msec;
nuclear@2: 		exploding = false;
nuclear@2: 	} else {
nuclear@2: 		if(msec - ps_start_time > HELLO_DURATION && psys.active && !exploding) {
nuclear@2: 			exploding = true;
nuclear@2: 			explode();
nuclear@2: 		}
nuclear@2: 	}
nuclear@2: 
nuclear@0: 	psys.update(dt);
nuclear@0: 	psys.draw();
nuclear@0: }
nuclear@0: 
nuclear@2: static void explode()
nuclear@0: {
nuclear@0: 	psys.explode(Vector3(0, 0, 0), 2.5, ppflame.life, 1.5);
nuclear@0: 	psys.pp = ppflame;
nuclear@0: 	//psys.explode(Vector3(0, -0.2, 0), 3.0, 1.5);
nuclear@0: 	//psys.pp = ppexpl;
nuclear@0: }