#include <stdio.h>
+#include <stdlib.h>
#include <stdint.h>
#include "demo.h"
#include "opengl.h"
#include "sanegl.h"
#include "assman.h"
#include "cmesh.h"
+#include "music.h"
+static void draw_texquad(float x, float y, float w, float h);
+static int piece_hit(int x, int y);
static void gen_default_textures(void);
static unsigned int sdr_foo;
static unsigned int tex_logo;
+static unsigned int tex_bg, tex_piece;
+static int bg_width, bg_height;
+static float bg_aspect;
+static int piece_width, piece_height;
+static float vis_width, vis_height;
+static float xoffs, yoffs;
+static float xpos, ypos;
+static int dragging;
+static int prev_mx, prev_my;
+static int xtarg, ytarg;
+static int inplace;
int demo_init(void)
{
return -1;
}
+ if(init_music() == -1) {
+ return -1;
+ }
+
/* global "debug" shader which just visualizes normals */
if(!(sdr_dbg = get_sdrprog("sdr/dbg.v.glsl", "sdr/dbg.p.glsl"))) {
return -1;
gl_end();
swap_buffers();
- glEnable(GL_DEPTH_TEST);
+ if(!(tex_bg = get_tex2d("data/bunny_bg.jpg"))) {
+ return -1;
+ }
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ bg_width = 2048;
+ bg_height = 1360;
+ bg_aspect = (float)bg_width / (float)bg_height;
+
+ if(!(tex_piece = get_tex2d("data/bunny.png"))) {
+ return -1;
+ }
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ piece_width = piece_height = 512;
+
+ xtarg = 933;
+ ytarg = 443;
+
+ glDisable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
return 0;
}
void demo_cleanup(void)
{
+ destroy_music();
destroy_assman();
glDeleteTextures(1, &deftex_white);
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glBindTexture(GL_TEXTURE_2D, tex_logo);
+ gl_matrix_mode(GL_MODELVIEW);
+ gl_load_identity();
+ gl_translatef(xoffs, yoffs, 0);
+
+ glBindTexture(GL_TEXTURE_2D, tex_bg);
glUseProgram(sdr_foo);
- gl_begin(GL_QUADS);
+
gl_color3f(1, 1, 1);
+ draw_texquad(0, 0, bg_width, bg_height);
+
+ gl_load_identity();
+ gl_translatef(xpos, vis_height - ypos - piece_height, 0);
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glBindTexture(GL_TEXTURE_2D, tex_piece);
+ if(!inplace) {
+ gl_color4f(0, 0, 0, 0.65);
+ draw_texquad(10, -15, piece_width, piece_height);
+ }
+ gl_color3f(1, 1, 1);
+ draw_texquad(0, 0, piece_width, piece_height);
+
+ glDisable(GL_BLEND);
+}
+
+static void draw_texquad(float x, float y, float w, float h)
+{
+ gl_begin(GL_QUADS);
gl_texcoord2f(0, 1);
- gl_vertex2f(-1, -1);
+ gl_vertex2f(x, y);
gl_texcoord2f(1, 1);
- gl_vertex2f(1, -1);
+ gl_vertex2f(x + w, 0);
gl_texcoord2f(1, 0);
- gl_vertex2f(1, 1);
+ gl_vertex2f(x + w, y + h);
gl_texcoord2f(0, 0);
- gl_vertex2f(-1, 1);
+ gl_vertex2f(x, y + h);
gl_end();
}
win_width = x;
win_height = y;
win_aspect = (float)x / (float)y;
+
+ gl_matrix_mode(GL_PROJECTION);
+ gl_load_identity();
+ if(bg_aspect >= win_aspect) {
+ vis_width = bg_width;
+ vis_height = bg_width / win_aspect;
+ xoffs = 0;
+ yoffs = (vis_height - bg_height) * 0.5f;
+ } else {
+ vis_width = bg_height * win_aspect;
+ vis_height = bg_height;
+ xoffs = (bg_height * win_aspect - bg_width) * 0.5f;
+ yoffs = 0;
+ }
+ gl_ortho(0, vis_width, 0, vis_height, -1, 1);
}
void demo_keyboard(int key, int pressed)
{
+ if(!pressed) return;
+
+ switch(key) {
+ case ' ':
+ xpos = xtarg + xoffs;
+ ypos = ytarg + yoffs;
+ break;
+ }
+}
+
+static void scr_to_vis(int *xp, int *yp)
+{
+ float x = (float)*xp;
+ float y = (float)*yp;
+ *xp = x / (float)win_width * (float)vis_width;
+ *yp = y / (float)win_height * (float)vis_height;
}
void demo_mouse(int bn, int pressed, int x, int y)
{
+ if(pressed) {
+ scr_to_vis(&x, &y);
+ if(piece_hit(x, y)) {
+ dragging = 1;
+ prev_mx = x;
+ prev_my = y;
+ inplace = 0;
+ }
+ } else {
+ if(dragging) {
+ dragging = 0;
+
+ if(fabs(xpos - (xtarg + xoffs)) < 20 && fabs(ypos - (ytarg + yoffs)) < 20) {
+ xpos = xtarg + xoffs;
+ ypos = ytarg + yoffs;
+ inplace = 1;
+ play_music();
+ }
+ }
+ }
}
void demo_motion(int x, int y)
{
+ int dx, dy;
+
+ scr_to_vis(&x, &y);
+
+ dx = x - prev_mx;
+ dy = y - prev_my;
+ prev_mx = x;
+ prev_my = y;
+
+ if(!dragging || !(dx | dy)) {
+ return;
+ }
+
+ xpos += dx;
+ ypos += dy;
+
+ if(xpos < 0) xpos = 0;
+ if(ypos < 0) ypos = 0;
+ if(xpos + piece_width > vis_width) xpos = vis_width - piece_width;
+ if(ypos + piece_height > vis_height) ypos = vis_height - piece_height;
+}
+
+static int piece_hit(int x, int y)
+{
+ if(x < xpos) return 0;
+ if(x >= xpos + piece_width) return 0;
+ if(y < ypos) return 0;
+ if(y >= ypos + piece_height) return 0;
+ return 1;
}
static void gen_default_textures(void)
projects / shapestoy / blobdiff