(svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)

1 files changed, 384 insertions, 0 deletions

diff --git a/src/texteff.cpp b/src/texteff.cpp
new file mode 100644
index 000000000..c65cb8675
--- /dev/null
+++ b/src/texteff.cpp
@@ -0,0 +1,384 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "functions.h"
+#include "macros.h"
+#include "strings.h"
+#include "gfx.h"
+#include "viewport.h"
+#include "saveload.h"
+#include "hal.h"
+#include "console.h"
+#include "string.h"
+#include "variables.h"
+#include "table/sprites.h"
+#include <stdarg.h> /* va_list */
+#include "date.h"
+
+enum {
+	MAX_TEXTMESSAGE_LENGTH = 150,
+	MAX_TEXT_MESSAGES      =  30,
+	MAX_CHAT_MESSAGES      =  10,
+	MAX_ANIMATED_TILES     = 256,
+};
+
+typedef struct TextEffect {
+	StringID string_id;
+	int32 x;
+	int32 y;
+	int32 right;
+	int32 bottom;
+	uint16 duration;
+	uint32 params_1;
+	uint32 params_2;
+} TextEffect;
+
+
+typedef struct TextMessage {
+	char message[MAX_TEXTMESSAGE_LENGTH];
+	uint16 color;
+	Date end_date;
+} TextMessage;
+
+static TextEffect _text_effect_list[MAX_TEXT_MESSAGES];
+static TextMessage _textmsg_list[MAX_CHAT_MESSAGES];
+TileIndex _animated_tile_list[MAX_ANIMATED_TILES];
+
+static bool _textmessage_dirty = false;
+static bool _textmessage_visible = false;
+
+/* The chatbox grows from the bottom so the coordinates are pixels from
+ * the left and pixels from the bottom. The height is the maximum height */
+static const Oblong _textmsg_box = {10, 30, 500, 150};
+static Pixel _textmessage_backup[150 * 500]; // (height * width)
+
+extern void memcpy_pitch(void *dst, void *src, int w, int h, int srcpitch, int dstpitch);
+
+static inline uint GetTextMessageCount(void)
+{
+	uint i;
+
+	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
+		if (_textmsg_list[i].message[0] == '\0') break;
+	}
+
+	return i;
+}
+
+/* Add a text message to the 'chat window' to be shown
+ * @param color The colour this message is to be shown in
+ * @param duration The duration of the chat message in game-days
+ * @param message message itself in printf() style */
+void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
+{
+	char buf[MAX_TEXTMESSAGE_LENGTH];
+	const char *bufp;
+	va_list va;
+	uint msg_count;
+	uint16 lines;
+
+	va_start(va, message);
+	vsnprintf(buf, lengthof(buf), message, va);
+	va_end(va);
+
+	/* Force linebreaks for strings that are too long */
+	lines = GB(FormatStringLinebreaks(buf, _textmsg_box.width - 8), 0, 16) + 1;
+	if (lines >= MAX_CHAT_MESSAGES) return;
+
+	msg_count = GetTextMessageCount();
+	/* We want to add more chat messages than there is free space for, remove 'old' */
+	if (lines > MAX_CHAT_MESSAGES - msg_count) {
+		int i = lines - (MAX_CHAT_MESSAGES - msg_count);
+		memmove(&_textmsg_list[0], &_textmsg_list[i], sizeof(_textmsg_list[0]) * (msg_count - i));
+		msg_count = MAX_CHAT_MESSAGES - lines;
+	}
+
+	for (bufp = buf; lines != 0; lines--) {
+		TextMessage *tmsg = &_textmsg_list[msg_count++];
+		ttd_strlcpy(tmsg->message, bufp, sizeof(tmsg->message));
+
+		/* The default colour for a message is player colour. Replace this with
+		 * white for any additional lines */
+		tmsg->color = (bufp == buf && color & IS_PALETTE_COLOR) ? color : (0x1D - 15) | IS_PALETTE_COLOR;
+		tmsg->end_date = _date + duration;
+
+		bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
+	}
+
+	_textmessage_dirty = true;
+}
+
+void InitTextMessage(void)
+{
+	uint i;
+
+	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
+		_textmsg_list[i].message[0] = '\0';
+	}
+}
+
+/* Hide the textbox */
+void UndrawTextMessage(void)
+{
+	if (_textmessage_visible) {
+		/* Sometimes we also need to hide the cursor
+		 *   This is because both textmessage and the cursor take a shot of the
+		 *   screen before drawing.
+		 *   Now the textmessage takes his shot and paints his data before the cursor
+		 *   does, so in the shot of the cursor is the screen-data of the textmessage
+		 *   included when the cursor hangs somewhere over the textmessage. To
+		 *   avoid wrong repaints, we undraw the cursor in that case, and everything
+		 *   looks nicely ;)
+		 * (and now hope this story above makes sense to you ;))
+		 */
+
+		if (_cursor.visible) {
+			if (_cursor.draw_pos.x + _cursor.draw_size.x >= _textmsg_box.x &&
+				_cursor.draw_pos.x <= _textmsg_box.x + _textmsg_box.width &&
+				_cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _textmsg_box.y - _textmsg_box.height &&
+				_cursor.draw_pos.y <= _screen.height - _textmsg_box.y) {
+				UndrawMouseCursor();
+			}
+		}
+
+		_textmessage_visible = false;
+		/* Put our 'shot' back to the screen */
+		memcpy_pitch(
+			_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
+			_textmessage_backup,
+			_textmsg_box.width, _textmsg_box.height, _textmsg_box.width, _screen.pitch);
+
+		/* And make sure it is updated next time */
+		_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
+
+		_textmessage_dirty = true;
+	}
+}
+
+/* Check if a message is expired every day */
+void TextMessageDailyLoop(void)
+{
+	uint i;
+
+	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
+		TextMessage *tmsg = &_textmsg_list[i];
+		if (tmsg->message[0] == '\0') continue;
+
+		/* Message has expired, remove from the list */
+		if (tmsg->end_date < _date) {
+			/* Move the remaining messages over the current message */
+			if (i != MAX_CHAT_MESSAGES - 1) memmove(tmsg, tmsg + 1, sizeof(*tmsg) * (MAX_CHAT_MESSAGES - i - 1));
+
+			/* Mark the last item as empty */
+			_textmsg_list[MAX_CHAT_MESSAGES - 1].message[0] = '\0';
+			_textmessage_dirty = true;
+
+			/* Go one item back, because we moved the array 1 to the left */
+			i--;
+		}
+	}
+}
+
+/* Draw the textmessage-box */
+void DrawTextMessage(void)
+{
+	uint y, count;
+
+	if (!_textmessage_dirty) return;
+
+	/* First undraw if needed */
+	UndrawTextMessage();
+
+	if (_iconsole_mode == ICONSOLE_FULL) return;
+
+	/* Check if we have anything to draw at all */
+	count = GetTextMessageCount();
+	if (count == 0) return;
+
+	/* Make a copy of the screen as it is before painting (for undraw) */
+	memcpy_pitch(
+		_textmessage_backup,
+		_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
+		_textmsg_box.width, _textmsg_box.height, _screen.pitch, _textmsg_box.width);
+
+	_cur_dpi = &_screen; // switch to _screen painting
+
+	/* Paint a half-transparent box behind the text messages */
+	GfxFillRect(
+			_textmsg_box.x,
+			_screen.height - _textmsg_box.y - count * 13 - 2,
+			_textmsg_box.x + _textmsg_box.width - 1,
+			_screen.height - _textmsg_box.y - 2,
+			0x322 | USE_COLORTABLE // black, but with some alpha for background
+		);
+
+	/* Paint the messages starting with the lowest at the bottom */
+	for (y = 13; count-- != 0; y += 13) {
+		DoDrawString(_textmsg_list[count].message, _textmsg_box.x + 3, _screen.height - _textmsg_box.y - y + 1, _textmsg_list[count].color);
+ 	}
+
+	/* Make sure the data is updated next flush */
+	_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
+
+	_textmessage_visible = true;
+	_textmessage_dirty = false;
+}
+
+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 != INVALID_STRING_ID; ) {
+		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 = GetDParam(0);
+	te->params_2 = GetDParam(4);
+
+	GetString(buffer, msg, lastof(buffer));
+	w = GetStringBoundingBox(buffer).width;
+
+	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 = INVALID_STRING_ID;
+	} else {
+		te->duration -= 8;
+		te->y--;
+		te->bottom--;
+	}
+	MarkTextEffectAreaDirty(te);
+}
+
+void MoveAllTextEffects(void)
+{
+	TextEffect *te;
+
+	for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
+		if (te->string_id != INVALID_STRING_ID) MoveTextEffect(te);
+	}
+}
+
+void InitTextEffects(void)
+{
+	TextEffect *te;
+
+	for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
+		te->string_id = INVALID_STRING_ID;
+	}
+}
+
+void DrawTextEffects(DrawPixelInfo *dpi)
+{
+	const TextEffect* te;
+
+	switch (dpi->zoom) {
+		case 0:
+			for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
+				if (te->string_id != INVALID_STRING_ID &&
+						dpi->left <= te->right &&
+						dpi->top  <= te->bottom &&
+						dpi->left + dpi->width  > te->x &&
+						dpi->top  + dpi->height > te->y) {
+					AddStringToDraw(te->x, te->y, te->string_id, te->params_1, te->params_2);
+				}
+			}
+			break;
+
+		case 1:
+			for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
+				if (te->string_id != INVALID_STRING_ID &&
+						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) {
+					AddStringToDraw(te->x, te->y, (StringID)(te->string_id-1), te->params_1, te->params_2);
+				}
+			}
+			break;
+	}
+}
+
+void DeleteAnimatedTile(TileIndex tile)
+{
+	TileIndex *ti;
+
+	for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
+		if (tile == *ti) {
+			/* remove the hole */
+			memmove(ti, ti + 1, (lastof(_animated_tile_list) - ti) * sizeof(*ti));
+			/* and clear last item */
+			*lastof(_animated_tile_list) = 0;
+			MarkTileDirtyByTile(tile);
+			return;
+		}
+	}
+}
+
+bool AddAnimatedTile(TileIndex tile)
+{
+	TileIndex *ti;
+
+	for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
+		if (tile == *ti || *ti == 0) {
+			*ti = tile;
+			MarkTileDirtyByTile(tile);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void AnimateAnimatedTiles(void)
+{
+	const TileIndex* ti;
+
+	for (ti = _animated_tile_list; ti != endof(_animated_tile_list) && *ti != 0; ti++) {
+		AnimateTile(*ti);
+	}
+}
+
+void InitializeAnimatedTiles(void)
+{
+	memset(_animated_tile_list, 0, sizeof(_animated_tile_list));
+}
+
+static void SaveLoad_ANIT(void)
+{
+	/* In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;) */
+	if (CheckSavegameVersion(6)) {
+		SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_FILE_U16 | SLE_VAR_U32);
+	} else {
+		SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_UINT32);
+	}
+}
+
+
+const ChunkHandler _animated_tile_chunk_handlers[] = {
+	{ 'ANIT', SaveLoad_ANIT, SaveLoad_ANIT, CH_RIFF | CH_LAST},
+};