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removed debug stuff because it ws useless.
[vor.git] / rocks.c
diff --git a/rocks.c b/rocks.c
index 9c2728c..ceddd4b 100644 (file)
--- a/rocks.c
+++ b/rocks.c
@@ -3,9 +3,11 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "common.h"
 #include "config.h"
 #include "file.h"
 #include "globals.h"
+#include "mt.h"
 #include "rocks.h"
 #include "shape.h"
 
@@ -26,20 +28,15 @@ struct shape rock_shapes[NROCKS];
 float rtimers[4];
 
 uint32_t nrocks;
-uint32_t nrocks_timer;
-uint32_t nrocks_inc_ticks = 2*60*1000/(F_ROCKS-I_ROCKS);
+float nrocks_timer;
+float nrocks_inc_ticks = 2*60*20/(F_ROCKS-I_ROCKS);
 
 // constants for rock generation.
-#define KH 32.0  // 32 s for a speed=1 rock to cross the screen horizontally.
-#define KV 24.0  // 24 s for a speed=1 rock to cross the screen vertically.
+#define KH (32.0*20)  // 32 s for a speed=1 rock to cross the screen horizontally.
+#define KV (24.0*20)  // 24 s for a speed=1 rock to cross the screen vertically.
 #define RDX 2.5  // range for rock dx values (+/-)
 #define RDY 2.5  // range for rock dy values (+/-)
 
-float rnd(void);
-
-#define crnd() (2*(rnd()-0.5))
-
-
 int
 init_rocks(void)
 {
@@ -53,6 +50,7 @@ init_rocks(void)
                NULLERROR(surf_rock[i] = SDL_DisplayFormat(temp));
                get_shape(surf_rock[i], &rock_shapes[i]);
        }
+       reset_rocks();
        return 0;
 }
 
@@ -132,7 +130,7 @@ rock_sides(float *ti, float *speed_min, float *speed_max)
 
 float
 weighted_rnd_range(float min, float max) {
-       return sqrt(min * min + rnd() * (max * max - min * min));
+       return sqrt(min * min + frnd() * (max * max - min * min));
 }
 
 void
@@ -144,10 +142,11 @@ new_rocks(void)
        float rmax[4];
 
        if(nrocks < F_ROCKS) {
-               nrocks_timer += ticks_since_last;
+               nrocks_timer += t_frame;
                if(nrocks_timer >= nrocks_inc_ticks) {
                        nrocks_timer -= nrocks_inc_ticks;
                        nrocks++;
+                       printf("nrocks = %d.\n", nrocks);
                }
        }
 
@@ -156,7 +155,7 @@ new_rocks(void)
        // loop through the four sides of the screen
        for(i=0; i<4; i++) {
                // see if we generate a rock for this side this frame
-               rtimers[i] += ti[i]*framelen/20;
+               rtimers[i] += ti[i]*t_frame;
                while(rtimers[i] >= 1) {
                        rtimers[i] -= 1;
                        j=0;
@@ -171,27 +170,27 @@ new_rocks(void)
                                switch(i) {
                                        case RIGHT:
                                                rockptr->x = XSIZE;
-                                               rockptr->y = rnd()*(YSIZE + rockptr->image->h);
+                                               rockptr->y = frnd()*(YSIZE + rockptr->image->h);
 
                                                rockptr->dx = -weighted_rnd_range(rmin[i], rmax[i]) + screendx;
                                                rockptr->dy = RDY*crnd();
                                                break;
                                        case LEFT:
                                                rockptr->x = -rockptr->image->w;
-                                               rockptr->y = rnd()*(YSIZE + rockptr->image->h);
+                                               rockptr->y = frnd()*(YSIZE + rockptr->image->h);
 
                                                rockptr->dx = weighted_rnd_range(rmin[i], rmax[i]) + screendx;
                                                rockptr->dy = RDY*crnd();
                                                break;
                                        case BOTTOM:
-                                               rockptr->x = rnd()*(XSIZE + rockptr->image->w);
+                                               rockptr->x = frnd()*(XSIZE + rockptr->image->w);
                                                rockptr->y = YSIZE;
 
                                                rockptr->dx = RDX*crnd();
                                                rockptr->dy = -weighted_rnd_range(rmin[i], rmax[i]) + screendy;
                                                break;
                                        case TOP:
-                                               rockptr->x = rnd()*(XSIZE + rockptr->image->w);
+                                               rockptr->x = frnd()*(XSIZE + rockptr->image->w);
                                                rockptr->y = -rockptr->image->h;
 
                                                rockptr->dx = RDX*crnd();
@@ -214,8 +213,8 @@ move_rocks(void)
        for(i = 0; i < MAXROCKS; i++) {
                if(rock[i].active) {
                        // move
-                       rock[i].x += (rock[i].dx-screendx)*framelen;
-                       rock[i].y += (rock[i].dy-screendy)*framelen;
+                       rock[i].x += (rock[i].dx-screendx)*t_frame;
+                       rock[i].y += (rock[i].dy-screendy)*t_frame;
                        // clip
                        if(rock[i].x < -rock[i].image->w || rock[i].x >= XSIZE
                                        || rock[i].y < -rock[i].image->h || rock[i].y >= YSIZE) {