X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgame.c;h=a997b692282e06c7323bc4a9cdc6d3cd4b1bde02;hb=f242719e98650720b5d3ed43aca62a4f1fe3ec10;hp=5a846ed124dd6389a421da082905b59c953d0d00;hpb=fd7b604752c0ba03c347bc2ef3ee5a8c0759bff8;p=vrlugburz

diff --git a/src/game.c b/src/game.c
index 5a846ed..a997b69 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,9 +1,27 @@
+#include <stdio.h>
 #include <assert.h>
+#include "cgmath/cgmath.h"
 #include "game.h"
 #include "opengl.h"
 #include "level.h"
+#include "player.h"
+#include "scenefile.h"
+#include "sdr.h"
+
+static void draw_level(void);
 
 struct level lvl;
+struct player player;
+
+int win_width, win_height;
+float win_aspect;
+int mouse_x, mouse_y;
+int bnstate[8];
+
+float cam_dist = 10;
+float view_matrix[16], proj_matrix[16];
+
+unsigned int sdr_foo;
 
 int game_init(void)
 {
@@ -11,9 +29,27 @@ int game_init(void)
 		return -1;
 	}
 
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+
+	if(!(sdr_foo = create_program_load("sdr/foo.v.glsl", "sdr/foo.p.glsl"))) {
+		return -1;
+	}
+	glBindAttribLocation(sdr_foo, MESH_ATTR_VERTEX, "apos");
+	glBindAttribLocation(sdr_foo, MESH_ATTR_NORMAL, "anorm");
+	glBindAttribLocation(sdr_foo, MESH_ATTR_TANGENT, "atang");
+	glBindAttribLocation(sdr_foo, MESH_ATTR_TEXCOORD, "atex");
+	link_program(sdr_foo);
+
 	if(load_level(&lvl, "data/test.lvl") == -1) {
 		return -1;
 	}
+	gen_level_geom(&lvl);
+
+	init_player(&player);
+	player.lvl = &lvl;
+	player.cx = lvl.px;
+	player.cy = lvl.py;
 
 	return 0;
 }
@@ -21,20 +57,92 @@ int game_init(void)
 void game_shutdown(void)
 {
 	destroy_level(&lvl);
+	free_program(sdr_foo);
+}
+
+#define STEP_INTERVAL	1000
+
+void update(float dt)
+{
+	static long prev_step;
+	int step[][2] = {{-1, 0}, {0, -1}, {1, 0}, {0, 1}};
+
+	cgm_vec3 vdir = {0, 0, -1};
+
+	upd_player_xform(&player);
+	cgm_vmul_m3v3(&vdir, player.view_xform);
+
+	player.dir = (int)(2.0f * (atan2(vdir.z, vdir.x) + M_PI) / M_PI + 0.5f);
+
+	/*
+	if(time_msec - prev_step >= STEP_INTERVAL) {
+		if(input[INP_FWD]) {
+		}
+	}
+	*/
 }
 
 void game_display(void)
 {
-	glClearColor(1, 0, 0, 1);
+	float dt;
+	static long prev_msec;
+
+	dt = (prev_msec - time_msec) / 1000.0f;
+	prev_msec = time_msec;
+
+	update(dt);
+
+	glClearColor(0.1, 0.1, 0.1, 1);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
+	cgm_midentity(proj_matrix);
+	cgm_mperspective(proj_matrix, cgm_deg_to_rad(50), win_aspect, 0.5, 500.0);
+	glMatrixMode(GL_PROJECTION);
+	glLoadMatrixf(proj_matrix);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadMatrixf(player.view_xform);
+
+	draw_level();
+
 	game_swap_buffers();
 	assert(glGetError() == GL_NO_ERROR);
 }
 
+static void draw_level(void)
+{
+	int i, j, k;
+	struct cell *cell;
+	float xform[16];
+
+	glUseProgram(sdr_foo);
+
+	cell = lvl.cells;
+	for(i=0; i<lvl.height; i++) {
+		for(j=0; j<lvl.width; j++) {
+			cgm_mtranslation(xform, j * lvl.cell_size, 0, i * lvl.cell_size);
+
+			glPushMatrix();
+			glMultMatrixf(xform);
+
+			for(k=0; k<cell->num_mgrp; k++) {
+				draw_meshgroup(cell->mgrp + k);
+			}
+			cell++;
+
+			glPopMatrix();
+		}
+	}
+
+	glUseProgram(0);
+}
+
 void game_reshape(int x, int y)
 {
 	glViewport(0, 0, x, y);
+	win_width = x;
+	win_height = y;
+	win_aspect = (float)x / (float)y;
 }
 
 void game_keyboard(int key, int press)
@@ -47,8 +155,28 @@ void game_keyboard(int key, int press)
 
 void game_mbutton(int bn, int press, int x, int y)
 {
+	bnstate[bn] = press;
+	mouse_x = x;
+	mouse_y = y;
 }
 
 void game_mmotion(int x, int y)
 {
+	int dx = x - mouse_x;
+	int dy = y - mouse_y;
+	mouse_x = x;
+	mouse_y = y;
+
+	if(!(dx | dy)) return;
+
+	if(bnstate[0]) {
+		player.theta -= cgm_deg_to_rad(dx * 0.5f);
+		player.phi -= cgm_deg_to_rad(dy * 0.5f);
+		if(player.phi < -M_PI/2) player.phi = -M_PI/2;
+		if(player.phi > M_PI/2) player.phi = M_PI/2;
+	}
+	if(bnstate[2]) {
+		cam_dist += dy * 0.1;
+		if(cam_dist < 0) cam_dist = 0;
+	}
 }