[Fix] Rumble can no longer "leak" over to menu, nebulae etc.

src/nebulae.c

@@ -212,9 +212,11 @@ void nebu_render(const double dt) {
   glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
 
   /* Compensate possible rubmle. */
-  glMatrixMode(GL_PROJECTION);
-  glPushMatrix();
-  glTranslated(shake_pos.x, shake_pos.y, 0.);
+  if(!paused) {
+    glMatrixMode(GL_PROJECTION);
+    glPushMatrix();
+    glTranslated(shake_pos.x, shake_pos.y, 0.);
+  }
 
   /* Now render. */
   glBegin(GL_QUADS);
@@ -235,7 +237,8 @@ void nebu_render(const double dt) {
     glVertex2d(-SCREEN_W/2., SCREEN_H/2.);
   glEnd();
 
-  glPopMatrix(); /* GL_PROJECTION */
+  if(!paused)
+    glPopMatrix(); /* GL_PROJECTION */
 
   /* Set values to defaults. */
   glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
@@ -262,7 +265,9 @@ void nebu_renderOverlay(const double dt) {
   /* Prepare the matrix. */
   glMatrixMode(GL_PROJECTION);
   glPushMatrix();
-  glTranslated(gui_xoff+shake_pos.x, gui_yoff+shake_pos.y, 0.);
+  glTranslated(gui_xoff, gui_yoff, 0.);
+  if(!paused)
+    glTranslated(gui_xoff+shake_pos.x, gui_yoff+shake_pos.y, 0.);
 
   /* Mask for area player can still see (partially). */
   glShadeModel(GL_SMOOTH);

src/opengl.c

@@ -936,6 +936,17 @@ int gl_init(void) {
   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); /* Good blend model. */
 
   /* Set up the matrix. */
+  gl_defViewport();
+
+  /* Finishing touches. */
+  glClear(GL_COLOR_BUFFER_BIT); /* Must clear the buffer first. */
+  gl_checkErr();
+
+  return 0;
+}
+
+/* Reset viewport to default. */
+void gl_defViewport(void) {
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
   glOrtho(-SCREEN_W /2,   /* Left edge. */
@@ -944,13 +955,6 @@ int gl_init(void) {
           SCREEN_H  /2,   /* Top edge. */
           -1.,            /* Near. */
           1.);            /* Far. */
-
-
-  /* Finishing touches. */
-  glClear(GL_COLOR_BUFFER_BIT); /* Must clear the buffer first. */
-  gl_checkErr();
-
-  return 0;
 }
 
 /* Clean up our mess. */

src/opengl.h

@@ -104,6 +104,7 @@ int gl_init(void);
 void gl_exit(void);
 
 /* Misc. */
+void gl_defViewport(void);
 int gl_pot(int n);
 int gl_isTrans(const glTexture* t, const int x, const int y);
 void gl_getSpriteFromDir(int* x, int* y, const glTexture* t, const double dir);

src/spfx.c

@@ -58,9 +58,11 @@ static int spfx_base_load(char* name, int anim, char* gfx, int sx, int sy) {
   SPFX_Base* cur;
   char buf[PATH_MAX];
 
+  /* Create new effect. */
   spfx_effects = realloc(spfx_effects, ++spfx_neffects*sizeof(SPFX_Base));
   cur = &spfx_effects[spfx_neffects-1];
 
+  /* Fill it with the data. */
   cur->name = strdup(name);
   cur->anim = (double)anim / 1000.;
   sprintf(buf, SPFX_GFX"%s", gfx);
@@ -83,8 +85,11 @@ int spfx_get(char* name) {
   return 0;
 }
 
-/* Load/Unload. */
+/* Load/Unload. 
+ * TODO: make it customizable?
+ */
 int spfx_load(void) {
+  /* Standard explosion effects. */
   spfx_base_load("ExpS", 400, "exps.png", 6, 5);
   spfx_base_load("ExpM", 450, "expm.png", 6, 5);
   spfx_base_load("ExpL", 500, "expl.png", 6, 5);
@@ -207,6 +212,7 @@ void spfx_start(double dt) {
         vect_pset(&shake_vel, shake_rad,
             -VANGLE(shake_pos) + (RNGF()-0.5) * M_PI);
       }
+      /* The shake decays over time. */
       shake_rad -= SHAKE_DECAY * dt;
       if(shake_rad < 0.) shake_rad = 0.;
 

src/toolkit.c

@@ -498,6 +498,7 @@ unsigned int window_create(char* name, const int x, const int y,
     SDL_ShowCursor(SDL_ENABLE);
     toolkit = 1; /* Enable it. */
     pause_game();
+    gl_defViewport(); /* Reset the default viewport. */
   }
 
   return wid;