OpenTTD-patches/texteff.c

385 lines
10 KiB
C

#include "stdafx.h"
#include "openttd.h"
#include "functions.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 <stdarg.h> /* va_list */
typedef struct TextEffect {
StringID string_id;
int32 x;
int32 y;
int32 right;
int32 bottom;
uint16 duration;
uint32 params_1;
uint32 params_2;
} TextEffect;
#define MAX_TEXTMESSAGE_LENGTH 250
typedef struct TextMessage {
char message[MAX_TEXTMESSAGE_LENGTH];
uint16 color;
uint16 end_date;
} TextMessage;
#define MAX_CHAT_MESSAGES 10
static TextEffect _text_effect_list[30];
static TextMessage _text_message_list[MAX_CHAT_MESSAGES];
TileIndex _animated_tile_list[256];
int _textmessage_width = 0;
bool _textmessage_dirty = true;
bool _textmessage_visible = false;
const int _textmessage_box_left = 10; // Pixels from left
const int _textmessage_box_y = 150; // Height of box
const int _textmessage_box_bottom = 30; // Pixels from bottom
const int _textmessage_box_max_width = 400; // Max width of box
static Pixel _textmessage_backup[150 * 400]; // (y * max_width)
extern void memcpy_pitch(void *d, void *s, int w, int h, int spitch, int dpitch);
// Duration is in game-days
void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
{
int i;
char buf[1024];
char buf2[MAX_TEXTMESSAGE_LENGTH];
va_list va;
int length;
va_start(va, message);
vsprintf(buf, message, va);
va_end(va);
/* Special color magic */
if ((color & 0xFF) == 0xC9)
color = 0x1CA;
/* Cut the message till it fits inside the chatbox */
length = strlen(buf) + 1;
snprintf(buf2, length, "%s", buf);
while (GetStringWidth(buf2) > _textmessage_width - 9)
snprintf(buf2, --length, "%s", buf);
/* Find an empty spot and put the message there */
for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
if (_text_message_list[i].message[0] == '\0') {
// Empty spot
ttd_strlcpy(_text_message_list[i].message, buf2, sizeof(_text_message_list[i].message));
_text_message_list[i].color = color;
_text_message_list[i].end_date = _date + duration;
_textmessage_dirty = true;
return;
}
}
// We did not found a free spot, trash the first one, and add to the end
memmove(&_text_message_list[0], &_text_message_list[1], sizeof(_text_message_list[0]) * (MAX_CHAT_MESSAGES - 1));
ttd_strlcpy(_text_message_list[MAX_CHAT_MESSAGES - 1].message, buf2, sizeof(_text_message_list[MAX_CHAT_MESSAGES - 1].message));
_text_message_list[MAX_CHAT_MESSAGES - 1].color = color;
_text_message_list[MAX_CHAT_MESSAGES - 1].end_date = _date + duration;
_textmessage_dirty = true;
}
void InitTextMessage(void)
{
int i;
for (i = 0; i < MAX_CHAT_MESSAGES; i++)
_text_message_list[i].message[0] = '\0';
_textmessage_width = _textmessage_box_max_width;
}
// 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 >= _textmessage_box_left &&
_cursor.draw_pos.x <= _textmessage_box_left + _textmessage_width &&
_cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _textmessage_box_bottom - _textmessage_box_y &&
_cursor.draw_pos.y <= _screen.height - _textmessage_box_bottom) {
UndrawMouseCursor();
}
}
_textmessage_visible = false;
// Put our 'shot' back to the screen
memcpy_pitch(
_screen.dst_ptr + _textmessage_box_left + (_screen.height-_textmessage_box_bottom-_textmessage_box_y) * _screen.pitch,
_textmessage_backup,
_textmessage_width, _textmessage_box_y, _textmessage_width, _screen.pitch);
// And make sure it is updated next time
_video_driver->make_dirty(_textmessage_box_left, _screen.height-_textmessage_box_bottom-_textmessage_box_y, _textmessage_width, _textmessage_box_y);
_textmessage_dirty = true;
}
}
// Check if a message is expired every day
void TextMessageDailyLoop(void)
{
int i;
for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
if (_text_message_list[i].message[0] == '\0')
continue;
if (_date > _text_message_list[i].end_date) {
/* Move the remaining messages over the current message */
if (i != MAX_CHAT_MESSAGES - 1)
memmove(&_text_message_list[i], &_text_message_list[i + 1], sizeof(_text_message_list[i]) * (MAX_CHAT_MESSAGES - i - 1));
/* Mark the last item as empty */
_text_message_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)
{
int i, j;
bool has_message;
if (!_textmessage_dirty)
return;
// First undraw if needed
UndrawTextMessage();
if (_iconsole_mode == ICONSOLE_FULL)
return;
/* Check if we have anything to draw at all */
has_message = false;
for ( i = 0; i < MAX_CHAT_MESSAGES; i++) {
if (_text_message_list[i].message[0] == '\0')
break;
has_message = true;
}
if (!has_message)
return;
// Make a copy of the screen as it is before painting (for undraw)
memcpy_pitch(
_textmessage_backup,
_screen.dst_ptr + _textmessage_box_left + (_screen.height-_textmessage_box_bottom-_textmessage_box_y) * _screen.pitch,
_textmessage_width, _textmessage_box_y, _screen.pitch, _textmessage_width);
// Switch to _screen painting
_cur_dpi = &_screen;
j = 0;
// Paint the messages
for (i = MAX_CHAT_MESSAGES - 1; i >= 0; i--) {
if (_text_message_list[i].message[0] == '\0')
continue;
j++;
GfxFillRect(_textmessage_box_left, _screen.height-_textmessage_box_bottom-j*13-2, _textmessage_box_left+_textmessage_width - 1, _screen.height-_textmessage_box_bottom-j*13+10, /* black, but with some alpha */ 0x4322);
DoDrawString(_text_message_list[i].message, _textmessage_box_left + 2, _screen.height - _textmessage_box_bottom - j * 13 - 1, 0x10);
DoDrawString(_text_message_list[i].message, _textmessage_box_left + 3, _screen.height - _textmessage_box_bottom - j * 13, _text_message_list[i].color);
}
// Make sure the data is updated next flush
_video_driver->make_dirty(_textmessage_box_left, _screen.height-_textmessage_box_bottom-_textmessage_box_y, _textmessage_width, _textmessage_box_y);
_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 != 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 = GetDParam(0);
te->params_2 = GetDParam(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(void)
{
TextEffect *te;
for (te = _text_effect_list; te != endof(_text_effect_list); te++ ) {
if (te->string_id != 0xFFFF)
MoveTextEffect(te);
}
}
void InitTextEffects(void)
{
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 (dpi->left > te->right ||
dpi->top > te->bottom ||
dpi->left + dpi->width <= te->x ||
dpi->top + dpi->height <= te->y)
continue;
AddStringToDraw(te->x, te->y, te->string_id, te->params_1, te->params_2, 0);
}
} 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, 0);
}
}
}
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, endof(_animated_tile_list) - 1 - ti);
/* and clear last item */
endof(_animated_tile_list)[-1] = 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)
{
TileIndex *ti;
TileIndex tile;
for(ti=_animated_tile_list; ti!=endof(_animated_tile_list) && (tile=*ti) != 0; ti++) {
AnimateTile(tile);
}
}
void InitializeAnimatedTiles(void)
{
memset(_animated_tile_list, 0, sizeof(_animated_tile_list));
}
static void SaveLoad_ANIT(void)
{
if (_sl.version < 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},
};