From efaeb275f78e18d594d9ee8ff04eccd2dc59512c Mon Sep 17 00:00:00 2001
From: truelight <truelight@openttd.org>
Date: Mon, 9 Aug 2004 17:04:08 +0000
Subject: (svn r1) Import of revision 975 of old (crashed) SVN

---
 texteff.c | 178 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 texteff.c

(limited to 'texteff.c')

diff --git a/texteff.c b/texteff.c
new file mode 100644
index 000000000..e68d2d707
--- /dev/null
+++ b/texteff.c
@@ -0,0 +1,178 @@
+#include "stdafx.h"
+#include "ttd.h"
+#include "gfx.h"
+#include "viewport.h"
+#include "saveload.h"
+
+typedef struct TextEffect {
+	StringID string_id;
+	int16 x,y,right,bottom;
+	uint16 duration;
+	uint32 params_1;
+	uint32 params_2;
+} TextEffect;
+
+static TextEffect _text_effect_list[30];
+TileIndex _animated_tile_list[256];
+
+static void MarkTextEffectAreaDirty(TextEffect *te)
+{
+	MarkAllViewportsDirty(
+		te->x,
+		te->y - 1,
+		(te->right - te->x)*2 + te->x + 1,
+		(te->bottom - (te->y - 1)) * 2 + (te->y - 1) + 1
+	);
+}
+
+void AddTextEffect(StringID msg, int x, int y, uint16 duration)
+{
+	TextEffect *te;
+	int w;
+	char buffer[100];
+
+	if (_game_mode == GM_MENU)
+		return;
+	
+	for (te = _text_effect_list; te->string_id != 0xFFFF; ) {
+		if (++te == endof(_text_effect_list))
+			return;
+	}
+
+	te->string_id = msg;
+	te->duration = duration;
+	te->y = y - 5;
+	te->bottom = y + 5;
+	te->params_1 = GET_DPARAM32(0);
+	te->params_2 = GET_DPARAM32(4);
+
+	GetString(buffer, msg);
+	w = GetStringWidth(buffer);
+
+	te->x = x - (w >> 1);
+	te->right = x + (w >> 1) - 1;
+	MarkTextEffectAreaDirty(te);
+}
+
+static void MoveTextEffect(TextEffect *te)
+{
+	if (te->duration < 8) {
+		te->string_id = 0xFFFF;
+	} else {
+		te->duration-=8;
+		te->y--;
+		te->bottom--;
+	}
+	MarkTextEffectAreaDirty(te);
+}
+
+void MoveAllTextEffects()
+{
+	TextEffect *te;
+
+	for (te = _text_effect_list; te != endof(_text_effect_list); te++ ) {
+		if (te->string_id != 0xFFFF)
+			MoveTextEffect(te);
+	}
+}
+
+void InitTextEffects()
+{
+	TextEffect *te;
+
+	for (te = _text_effect_list; te != endof(_text_effect_list); te++ ) {
+		te->string_id = 0xFFFF;
+	}
+}
+
+void DrawTextEffects(DrawPixelInfo *dpi)
+{
+	TextEffect *te;
+
+	if (dpi->zoom < 1) {
+		for (te = _text_effect_list; te != endof(_text_effect_list); te++ ) {
+			if (te->string_id == 0xFFFF)
+				continue;
+
+			/* intersection? */
+			if ((int16)dpi->left > te->right ||
+					(int16)dpi->top > te->bottom ||
+					(int16)(dpi->left + dpi->width) <= te->x ||
+					(int16)(dpi->top + dpi->height) <= te->y)
+						continue;
+			AddStringToDraw(te->x, te->y, te->string_id, te->params_1, te->params_2);
+		}
+	} else if (dpi->zoom == 1) {
+		for (te = _text_effect_list; te != endof(_text_effect_list); te++ ) {
+			if (te->string_id == 0xFFFF)
+				continue;
+
+			/* intersection? */
+			if (dpi->left > te->right*2 -  te->x ||
+					dpi->top > te->bottom*2 - te->y ||
+					(dpi->left + dpi->width) <= te->x ||
+					(dpi->top + dpi->height) <= te->y)
+						continue;
+			AddStringToDraw(te->x, te->y, (StringID)(te->string_id-1), te->params_1, te->params_2);
+		}
+		
+	}
+}
+
+void DeleteAnimatedTile(uint tile)
+{
+	TileIndex *ti;
+
+	for(ti=_animated_tile_list; ti!=endof(_animated_tile_list); ti++) {
+		if ( (TileIndex)tile == *ti) {
+			/* remove the hole */
+			memcpy_overlapping(ti, ti+1, endof(_animated_tile_list) - 1 - ti);
+			/* and clear last item */
+			endof(_animated_tile_list)[-1] = 0;
+			MarkTileDirtyByTile(tile);
+			return;
+		}	
+	}
+}
+
+bool AddAnimatedTile(uint tile)
+{
+	TileIndex *ti;
+
+	for(ti=_animated_tile_list; ti!=endof(_animated_tile_list); ti++) {
+		if ( (TileIndex)tile == *ti || *ti == 0) {
+			*ti = tile;
+			MarkTileDirtyByTile(tile);
+			return true;
+		}
+	}	
+
+	return false;
+}
+
+void AnimateAnimatedTiles()
+{
+	TileIndex *ti;
+	uint tile;
+
+	for(ti=_animated_tile_list; ti!=endof(_animated_tile_list) && (tile=*ti) != 0; ti++) {
+		AnimateTile(tile);
+	}
+}
+
+void InitializeAnimatedTiles()
+{
+	memset(_animated_tile_list, 0, sizeof(_animated_tile_list));
+}
+
+static void SaveLoad_ANIT()
+{
+	SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_UINT16);
+}
+
+
+const ChunkHandler _animated_tile_chunk_handlers[] = {
+	{ 'ANIT', SaveLoad_ANIT, SaveLoad_ANIT, CH_RIFF | CH_LAST},
+};
+
+
-- 
cgit v1.2.3-54-g00ecf