(svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
This commit is contained in:
KUDr
384
src/texteff.cpp
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384
src/texteff.cpp
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/* $Id$ */
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#include "stdafx.h"
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#include "openttd.h"
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#include "functions.h"
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#include "macros.h"
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#include "strings.h"
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#include "gfx.h"
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#include "viewport.h"
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#include "saveload.h"
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#include "hal.h"
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#include "console.h"
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#include "string.h"
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#include "variables.h"
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#include "table/sprites.h"
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#include <stdarg.h> /* va_list */
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#include "date.h"
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enum {
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MAX_TEXTMESSAGE_LENGTH = 150,
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MAX_TEXT_MESSAGES = 30,
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MAX_CHAT_MESSAGES = 10,
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MAX_ANIMATED_TILES = 256,
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};
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typedef struct TextEffect {
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StringID string_id;
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int32 x;
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int32 y;
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int32 right;
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int32 bottom;
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uint16 duration;
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uint32 params_1;
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uint32 params_2;
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} TextEffect;
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typedef struct TextMessage {
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char message[MAX_TEXTMESSAGE_LENGTH];
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uint16 color;
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Date end_date;
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} TextMessage;
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static TextEffect _text_effect_list[MAX_TEXT_MESSAGES];
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static TextMessage _textmsg_list[MAX_CHAT_MESSAGES];
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TileIndex _animated_tile_list[MAX_ANIMATED_TILES];
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static bool _textmessage_dirty = false;
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static bool _textmessage_visible = false;
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/* The chatbox grows from the bottom so the coordinates are pixels from
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* the left and pixels from the bottom. The height is the maximum height */
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static const Oblong _textmsg_box = {10, 30, 500, 150};
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static Pixel _textmessage_backup[150 * 500]; // (height * width)
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extern void memcpy_pitch(void *dst, void *src, int w, int h, int srcpitch, int dstpitch);
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static inline uint GetTextMessageCount(void)
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{
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uint i;
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for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
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if (_textmsg_list[i].message[0] == '\0') break;
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}
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return i;
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}
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/* Add a text message to the 'chat window' to be shown
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* @param color The colour this message is to be shown in
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* @param duration The duration of the chat message in game-days
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* @param message message itself in printf() style */
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void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
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{
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char buf[MAX_TEXTMESSAGE_LENGTH];
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const char *bufp;
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va_list va;
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uint msg_count;
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uint16 lines;
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va_start(va, message);
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vsnprintf(buf, lengthof(buf), message, va);
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va_end(va);
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/* Force linebreaks for strings that are too long */
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lines = GB(FormatStringLinebreaks(buf, _textmsg_box.width - 8), 0, 16) + 1;
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if (lines >= MAX_CHAT_MESSAGES) return;
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msg_count = GetTextMessageCount();
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/* We want to add more chat messages than there is free space for, remove 'old' */
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if (lines > MAX_CHAT_MESSAGES - msg_count) {
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int i = lines - (MAX_CHAT_MESSAGES - msg_count);
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memmove(&_textmsg_list[0], &_textmsg_list[i], sizeof(_textmsg_list[0]) * (msg_count - i));
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msg_count = MAX_CHAT_MESSAGES - lines;
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}
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for (bufp = buf; lines != 0; lines--) {
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TextMessage *tmsg = &_textmsg_list[msg_count++];
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ttd_strlcpy(tmsg->message, bufp, sizeof(tmsg->message));
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/* The default colour for a message is player colour. Replace this with
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* white for any additional lines */
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tmsg->color = (bufp == buf && color & IS_PALETTE_COLOR) ? color : (0x1D - 15) | IS_PALETTE_COLOR;
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tmsg->end_date = _date + duration;
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bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
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}
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_textmessage_dirty = true;
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}
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void InitTextMessage(void)
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{
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uint i;
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for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
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_textmsg_list[i].message[0] = '\0';
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}
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}
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/* Hide the textbox */
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void UndrawTextMessage(void)
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{
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if (_textmessage_visible) {
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/* Sometimes we also need to hide the cursor
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* This is because both textmessage and the cursor take a shot of the
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* screen before drawing.
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* Now the textmessage takes his shot and paints his data before the cursor
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* does, so in the shot of the cursor is the screen-data of the textmessage
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* included when the cursor hangs somewhere over the textmessage. To
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* avoid wrong repaints, we undraw the cursor in that case, and everything
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* looks nicely ;)
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* (and now hope this story above makes sense to you ;))
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*/
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if (_cursor.visible) {
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if (_cursor.draw_pos.x + _cursor.draw_size.x >= _textmsg_box.x &&
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_cursor.draw_pos.x <= _textmsg_box.x + _textmsg_box.width &&
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_cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _textmsg_box.y - _textmsg_box.height &&
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_cursor.draw_pos.y <= _screen.height - _textmsg_box.y) {
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UndrawMouseCursor();
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}
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}
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_textmessage_visible = false;
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/* Put our 'shot' back to the screen */
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memcpy_pitch(
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_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
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_textmessage_backup,
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_textmsg_box.width, _textmsg_box.height, _textmsg_box.width, _screen.pitch);
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/* And make sure it is updated next time */
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_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
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_textmessage_dirty = true;
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}
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}
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/* Check if a message is expired every day */
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void TextMessageDailyLoop(void)
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{
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uint i;
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for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
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TextMessage *tmsg = &_textmsg_list[i];
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if (tmsg->message[0] == '\0') continue;
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/* Message has expired, remove from the list */
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if (tmsg->end_date < _date) {
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/* Move the remaining messages over the current message */
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if (i != MAX_CHAT_MESSAGES - 1) memmove(tmsg, tmsg + 1, sizeof(*tmsg) * (MAX_CHAT_MESSAGES - i - 1));
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/* Mark the last item as empty */
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_textmsg_list[MAX_CHAT_MESSAGES - 1].message[0] = '\0';
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_textmessage_dirty = true;
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/* Go one item back, because we moved the array 1 to the left */
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i--;
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}
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}
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}
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/* Draw the textmessage-box */
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void DrawTextMessage(void)
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{
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uint y, count;
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if (!_textmessage_dirty) return;
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/* First undraw if needed */
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UndrawTextMessage();
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if (_iconsole_mode == ICONSOLE_FULL) return;
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/* Check if we have anything to draw at all */
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count = GetTextMessageCount();
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if (count == 0) return;
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/* Make a copy of the screen as it is before painting (for undraw) */
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memcpy_pitch(
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_textmessage_backup,
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_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
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_textmsg_box.width, _textmsg_box.height, _screen.pitch, _textmsg_box.width);
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_cur_dpi = &_screen; // switch to _screen painting
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/* Paint a half-transparent box behind the text messages */
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GfxFillRect(
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_textmsg_box.x,
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_screen.height - _textmsg_box.y - count * 13 - 2,
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_textmsg_box.x + _textmsg_box.width - 1,
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_screen.height - _textmsg_box.y - 2,
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0x322 | USE_COLORTABLE // black, but with some alpha for background
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);
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/* Paint the messages starting with the lowest at the bottom */
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for (y = 13; count-- != 0; y += 13) {
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DoDrawString(_textmsg_list[count].message, _textmsg_box.x + 3, _screen.height - _textmsg_box.y - y + 1, _textmsg_list[count].color);
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}
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/* Make sure the data is updated next flush */
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_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
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_textmessage_visible = true;
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_textmessage_dirty = false;
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}
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static void MarkTextEffectAreaDirty(TextEffect *te)
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{
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MarkAllViewportsDirty(
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te->x,
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te->y - 1,
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(te->right - te->x)*2 + te->x + 1,
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(te->bottom - (te->y - 1)) * 2 + (te->y - 1) + 1
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);
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}
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void AddTextEffect(StringID msg, int x, int y, uint16 duration)
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{
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TextEffect *te;
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int w;
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char buffer[100];
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if (_game_mode == GM_MENU) return;
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for (te = _text_effect_list; te->string_id != INVALID_STRING_ID; ) {
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if (++te == endof(_text_effect_list)) return;
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}
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te->string_id = msg;
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te->duration = duration;
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te->y = y - 5;
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te->bottom = y + 5;
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te->params_1 = GetDParam(0);
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te->params_2 = GetDParam(4);
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GetString(buffer, msg, lastof(buffer));
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w = GetStringBoundingBox(buffer).width;
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te->x = x - (w >> 1);
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te->right = x + (w >> 1) - 1;
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MarkTextEffectAreaDirty(te);
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}
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static void MoveTextEffect(TextEffect *te)
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{
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if (te->duration < 8) {
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te->string_id = INVALID_STRING_ID;
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} else {
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te->duration -= 8;
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te->y--;
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te->bottom--;
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}
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MarkTextEffectAreaDirty(te);
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}
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void MoveAllTextEffects(void)
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{
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TextEffect *te;
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for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
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if (te->string_id != INVALID_STRING_ID) MoveTextEffect(te);
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}
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}
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void InitTextEffects(void)
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{
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TextEffect *te;
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for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
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te->string_id = INVALID_STRING_ID;
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}
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}
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void DrawTextEffects(DrawPixelInfo *dpi)
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{
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const TextEffect* te;
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switch (dpi->zoom) {
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case 0:
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for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
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if (te->string_id != INVALID_STRING_ID &&
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dpi->left <= te->right &&
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dpi->top <= te->bottom &&
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dpi->left + dpi->width > te->x &&
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dpi->top + dpi->height > te->y) {
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AddStringToDraw(te->x, te->y, te->string_id, te->params_1, te->params_2);
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}
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}
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break;
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case 1:
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for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
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if (te->string_id != INVALID_STRING_ID &&
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dpi->left <= te->right * 2 - te->x &&
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dpi->top <= te->bottom * 2 - te->y &&
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dpi->left + dpi->width > te->x &&
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dpi->top + dpi->height > te->y) {
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AddStringToDraw(te->x, te->y, (StringID)(te->string_id-1), te->params_1, te->params_2);
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}
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}
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break;
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}
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}
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void DeleteAnimatedTile(TileIndex tile)
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{
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TileIndex *ti;
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for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
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if (tile == *ti) {
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/* remove the hole */
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memmove(ti, ti + 1, (lastof(_animated_tile_list) - ti) * sizeof(*ti));
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/* and clear last item */
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*lastof(_animated_tile_list) = 0;
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MarkTileDirtyByTile(tile);
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return;
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}
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}
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}
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bool AddAnimatedTile(TileIndex tile)
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{
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TileIndex *ti;
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for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
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if (tile == *ti || *ti == 0) {
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*ti = tile;
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MarkTileDirtyByTile(tile);
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return true;
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}
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}
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return false;
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}
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void AnimateAnimatedTiles(void)
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{
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const TileIndex* ti;
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for (ti = _animated_tile_list; ti != endof(_animated_tile_list) && *ti != 0; ti++) {
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AnimateTile(*ti);
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}
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}
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void InitializeAnimatedTiles(void)
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{
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memset(_animated_tile_list, 0, sizeof(_animated_tile_list));
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}
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static void SaveLoad_ANIT(void)
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{
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/* In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;) */
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if (CheckSavegameVersion(6)) {
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SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_FILE_U16 | SLE_VAR_U32);
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} else {
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SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_UINT32);
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}
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}
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const ChunkHandler _animated_tile_chunk_handlers[] = {
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{ 'ANIT', SaveLoad_ANIT, SaveLoad_ANIT, CH_RIFF | CH_LAST},
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};
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