+#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_theta, cam_phi, cam_dist = 10;
+float cam_dist;
float view_matrix[16], proj_matrix[16];
unsigned int sdr_foo;
+static long prev_step, prev_turn;
+
int game_init(void)
{
if(init_opengl() == -1) {
return -1;
}
+ init_player(&player);
+ player.lvl = &lvl;
+ player.cx = lvl.px;
+ player.cy = lvl.py;
+
return 0;
}
free_program(sdr_foo);
}
+#define STEP_INTERVAL 250
+#define TURN_INTERVAL 500
+
+void update(float dt)
+{
+ int fwd = 0, right = 0, turn = 0;
+
+ if(time_msec - prev_turn >= TURN_INTERVAL) {
+ if(input_state[INP_LTURN]) turn--;
+ if(input_state[INP_RTURN]) turn++;
+
+ if(turn) {
+ turn_player(&player, turn);
+ prev_turn = time_msec;
+ }
+ }
+
+ if(time_msec - prev_step >= STEP_INTERVAL) {
+ if(input_state[INP_FWD]) fwd++;
+ if(input_state[INP_BACK]) fwd--;
+ if(input_state[INP_LEFT]) right--;
+ if(input_state[INP_RIGHT]) right++;
+
+ if(fwd | right) {
+ move_player(&player, right, fwd);
+ prev_step = time_msec;
+ }
+ }
+
+ upd_player_xform(&player);
+}
+
void game_display(void)
{
+ 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);
+ cgm_mperspective(proj_matrix, cgm_deg_to_rad(80), win_aspect, 0.5, 500.0);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(proj_matrix);
- cgm_midentity(view_matrix);
- cgm_mpretranslate(view_matrix, 0, -1.7, -cam_dist);
- cgm_mprerotate(view_matrix, cam_phi, 1, 0, 0);
- cgm_mprerotate(view_matrix, cam_theta, 0, 1, 0);
glMatrixMode(GL_MODELVIEW);
- glLoadMatrixf(view_matrix);
+ glLoadIdentity();
+ glTranslatef(0, 0, -cam_dist);
+ glMultMatrixf(player.view_xform);
draw_level();
static void draw_level(void)
{
- int i, j, k;
+ int i;
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++) {
- for(k=0; k<cell->num_mgrp; k++) {
- draw_meshgroup(cell->mgrp + k);
- }
- cell++;
+ if(!player.vis) {
+ upd_player_vis(&player);
+ }
+
+ cell = player.vis;
+ while(cell) {
+ cgm_mtranslation(xform, cell->x * lvl.cell_size, 0, -cell->y * lvl.cell_size);
+
+ glPushMatrix();
+ glMultMatrixf(xform);
+
+ if(cell->tile) {
+ cgm_mrotation_y(xform, cell->tilerot * M_PI / 2.0f);
+
+ glPushMatrix();
+ glMultMatrixf(xform);
+ draw_meshgroup(&cell->tile->mgrp);
+ glPopMatrix();
+ }
+
+ for(i=0; i<cell->num_mgrp; i++) {
+ draw_meshgroup(cell->mgrp + i);
}
+ glPopMatrix();
+
+ cell = cell->next;
}
glUseProgram(0);
game_quit();
return;
}
+
+ /* TODO key remapping */
+ switch(key) {
+ case 'w':
+ input_state[INP_FWD] = press;
+ if(press) {
+ move_player(&player, 0, 1);
+ prev_step = time_msec;
+ }
+ break;
+
+ case 'a':
+ input_state[INP_LEFT] = press;
+ if(press) {
+ move_player(&player, -1, 0);
+ prev_step = time_msec;
+ }
+ break;
+
+ case 's':
+ input_state[INP_BACK] = press;
+ if(press) {
+ move_player(&player, 0, -1);
+ prev_step = time_msec;
+ }
+ break;
+
+ case 'd':
+ input_state[INP_RIGHT] = press;
+ if(press) {
+ move_player(&player, 1, 0);
+ prev_step = time_msec;
+ }
+ break;
+
+ case 'q':
+ input_state[INP_LTURN] = press;
+ if(press) {
+ turn_player(&player, -1);
+ prev_turn = time_msec;
+ }
+ break;
+
+ case 'e':
+ input_state[INP_RTURN] = press;
+ if(press) {
+ turn_player(&player, 1);
+ prev_turn = time_msec;
+ }
+ break;
+ }
}
void game_mbutton(int bn, int press, int x, int y)
if(!(dx | dy)) return;
if(bnstate[0]) {
- cam_theta += cgm_deg_to_rad(dx * 0.5f);
- cam_phi += cgm_deg_to_rad(dy * 0.5f);
- if(cam_phi < -M_PI/2) cam_phi = -M_PI/2;
- if(cam_phi > M_PI/2) cam_phi = M_PI/2;
+ 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;