visibility determination

[vrlugburz] / src / game.c

diff --git a/src/game.c b/src/game.c
index 64c00df..92843dc 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -124,36 +124,38 @@ void game_display(void)
 
 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++) {
-                       cgm_mtranslation(xform, j * lvl.cell_size, 0, -i * lvl.cell_size);
-
-                       glPushMatrix();
-                       glMultMatrixf(xform);
+       if(!player.vis) {
+               upd_player_vis(&player);
+       }
 
-                       if(cell->tile) {
-                               cgm_mrotation_y(xform, cell->tilerot * M_PI / 2.0f);
+       cell = player.vis;
+       while(cell) {
+               cgm_mtranslation(xform, cell->x * lvl.cell_size, 0, -cell->y * lvl.cell_size);
 
-                               glPushMatrix();
-                               glMultMatrixf(xform);
-                               draw_meshgroup(&cell->tile->mgrp);
-                               glPopMatrix();
-                       }
+               glPushMatrix();
+               glMultMatrixf(xform);
 
-                       for(k=0; k<cell->num_mgrp; k++) {
-                               draw_meshgroup(cell->mgrp + k);
-                       }
-                       cell++;
+               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);