From 826cfc5a4d6cf322cb82e5f889f16235720919f8 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Mon, 04 Mar 2013 21:30:44 -0500
Subject: src/main.c: Make demo day length less hardcoded.

---
diff --git a/src/main.c b/src/main.c
index 4320b72..35d736f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -11,17 +11,17 @@
 	do {                                                                   \
 		vp->x = x + map->tilewidth / 2 - vp->w / 2;                    \
 		vp->y = y + map->tileheight / 2 - vp->h / 2;                   \
-		if (i % 720 < 180) {                                           \
+		if (i % i_max < i_max / 4) {                                   \
 			pal_start = map->palettes[MAP_PALETTE_MORN]            \
 				.palette->palette;                             \
 			pal_end = map->palettes[MAP_PALETTE_DAY]               \
 				.palette->palette;                             \
-		} else if (i % 720 < 360) {                                    \
+		} else if (i % i_max < i_max / 4 * 2) {                        \
 			pal_start = map->palettes[MAP_PALETTE_DAY]             \
 				.palette->palette;                             \
 			pal_end = map->palettes[MAP_PALETTE_EVE]               \
 				.palette->palette;                             \
-		} else if (i % 720 < 540) {                                    \
+		} else if (i % i_max < i_max / 4 * 3) {                        \
 			pal_start = map->palettes[MAP_PALETTE_EVE]             \
 				.palette->palette;                             \
 			pal_end = map->palettes[MAP_PALETTE_NIGHT]             \
@@ -32,7 +32,8 @@
 			pal_end = map->palettes[MAP_PALETTE_MORN]              \
 				.palette->palette;                             \
 		}                                                              \
-		if (!cycle_palettes_cosine(i, 180, pal_start, pal_end, pal)) { \
+		if (!cycle_palettes_cosine(i, i_max / 4,                       \
+					pal_start, pal_end, pal)) {            \
 			warn("Failed to cycle palettes");                      \
 		}                                                              \
 		set_area_palette(a, pal);                                      \
@@ -53,7 +54,6 @@ main(void)
 	struct map *map;
 	struct area *a;
 	SDL_Palette *pal;
-	int i;
 	struct map_exit *e;
 
 	init();
@@ -86,6 +86,7 @@ main(void)
 	/* Demo */
 	{
 		Uint32 start, end;
+		int i, i_max;
 		int x, y;
 		SDL_Palette *pal_start, *pal_end;
 
@@ -94,6 +95,7 @@ main(void)
 		pal->ncolors = 59;
 
 		i = 0;
+		i_max = 720;
 		start = SDL_GetTicks();
 		x = 19 * map->tilewidth ;
 		y = 38 * map->tileheight;
--
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