From c768bfbba59b70ffb73fc5c5879a933609f0ae8c Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Thu, 4 May 2006 03:38:09 +0000
Subject: (svn r4733) - NewGRF: remove remnants of old resolver code.

---
 Makefile |  1 -
 sprite.c | 99 ----------------------------------------------------------------
 sprite.h | 16 -----------
 3 files changed, 116 deletions(-)
 delete mode 100644 sprite.c

diff --git a/Makefile b/Makefile
index 414421822..d086d409c 100644
--- a/Makefile
+++ b/Makefile
@@ -669,7 +669,6 @@ SRCS += ship_gui.c
 SRCS += signs.c
 SRCS += smallmap_gui.c
 SRCS += sound.c
-SRCS += sprite.c
 SRCS += spritecache.c
 SRCS += station_cmd.c
 SRCS += station_gui.c
diff --git a/sprite.c b/sprite.c
deleted file mode 100644
index c22489830..000000000
--- a/sprite.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "sprite.h"
-#include "variables.h"
-#include "debug.h"
-
-
-SpriteGroup *EvalDeterministicSpriteGroup(const DeterministicSpriteGroup *dsg, int value)
-{
-	int i;
-
-	value >>= dsg->adjusts[0].shift_num; // This should bring us to the byte range.
-	value &= dsg->adjusts[0].and_mask;
-
-	if (dsg->adjusts[0].operation != DSGA_TYPE_NONE)
-		value += (signed char) dsg->adjusts[0].add_val;
-
-	switch (dsg->adjusts[0].type) {
-		case DSGA_TYPE_DIV:
-			value /= (signed char) dsg->adjusts[0].divmod_val;
-			break;
-		case DSGA_TYPE_MOD:
-			value %= (signed char) dsg->adjusts[0].divmod_val;
-			break;
-		case DSGA_TYPE_NONE:
-			break;
-	}
-
-	for (i = 0; i < dsg->num_ranges; i++) {
-		DeterministicSpriteGroupRange *range = &dsg->ranges[i];
-
-		if (range->low <= (uint32)value && (uint32)value <= range->high)
-			return range->group;
-	}
-
-	return dsg->default_group;
-}
-
-int GetDeterministicSpriteValue(byte var)
-{
-	switch (var) {
-		case 0x00:
-			return _date;
-		case 0x01:
-			return _cur_year;
-		case 0x02:
-			return _cur_month;
-		case 0x03:
-			return _opt.landscape;
-		case 0x09:
-			return _date_fract;
-		case 0x0A:
-			return _tick_counter;
-		case 0x0C:
-			/* If we got here, it means there was no callback or
-			 * callbacks aren't supported on our callpath. */
-			return 0;
-		default:
-			return -1;
-	}
-}
-
-SpriteGroup *EvalRandomizedSpriteGroup(const RandomizedSpriteGroup *rsg, byte random_bits)
-{
-	byte mask;
-	byte index;
-
-	/* Noone likes mangling with bits, but you don't get around it here.
-	 * Sorry. --pasky */
-	// rsg->num_groups is always power of 2
-	mask = (rsg->num_groups - 1) << rsg->lowest_randbit;
-	index = (random_bits & mask) >> rsg->lowest_randbit;
-	assert(index < rsg->num_groups);
-	return rsg->groups[index];
-}
-
-byte RandomizedSpriteGroupTriggeredBits(const RandomizedSpriteGroup *rsg,
-	byte triggers, byte *waiting_triggers)
-{
-	byte match = rsg->triggers & (*waiting_triggers | triggers);
-	bool res;
-
-	if (rsg->cmp_mode == RSG_CMP_ANY) {
-		res = (match != 0);
-	} else { /* RSG_CMP_ALL */
-		res = (match == rsg->triggers);
-	}
-
-	if (!res) {
-		*waiting_triggers |= triggers;
-		return 0;
-	}
-
-	*waiting_triggers &= ~match;
-
-	return (rsg->num_groups - 1) << rsg->lowest_randbit;
-}
diff --git a/sprite.h b/sprite.h
index dccb9e090..f8a2e6174 100644
--- a/sprite.h
+++ b/sprite.h
@@ -45,20 +45,4 @@ typedef struct DrawBuildingsTileStruct {
 #include "newgrf_spritegroup.h"
 
 
-/* This takes value (probably of the variable specified in the group) and
- * chooses corresponding SpriteGroup accordingly to the given
- * DeterministicSpriteGroup. */
-SpriteGroup *EvalDeterministicSpriteGroup(const DeterministicSpriteGroup *dsg, int value);
-/* Get value of a common deterministic SpriteGroup variable. */
-int GetDeterministicSpriteValue(byte var);
-
-/* This takes randomized bitmask (probably associated with
- * vehicle/station/whatever) and chooses corresponding SpriteGroup
- * accordingly to the given RandomizedSpriteGroup. */
-SpriteGroup *EvalRandomizedSpriteGroup(const RandomizedSpriteGroup *rsg, byte random_bits);
-/* Triggers given RandomizedSpriteGroup with given bitmask and returns and-mask
- * of random bits to be reseeded, or zero if there were no triggers matched
- * (then they are |ed to @waiting_triggers instead). */
-byte RandomizedSpriteGroupTriggeredBits(const RandomizedSpriteGroup *rsg, byte triggers, byte *waiting_triggers);
-
 #endif /* SPRITE_H */
-- 
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