summaryrefslogtreecommitdiff
path: root/src/texteff.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/texteff.cpp')
-rw-r--r--src/texteff.cpp384
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},
+};