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Chat: draw multiple lines if the text exceeds the width of the chat. 

+ Cleanup
+ Support for multiples lines at the text input.
This commit is contained in:
Wirlie 2016-06-22 12:10:24 -05:00 committed by pizza2004
parent c52747bc93
commit 86b5103445
2 changed files with 123 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

169
src/interface/chat.c
View File

@ -25,10 +25,10 @@
#include "../interface/themes.h"
#define CHAT_HISTORY_SIZE 10
#define CHAT_INPUT_SIZE 150
#define CHAT_INPUT_SIZE 256
bool gChatOpen = false;
char _chatCurrentLine[CHAT_INPUT_SIZE];
char _chatCurrentLine[200]; //Limit 200 characters
char _chatHistory[CHAT_HISTORY_SIZE][CHAT_INPUT_SIZE];
uint32 _chatHistoryTime[CHAT_HISTORY_SIZE];
unsigned int _chatHistoryIndex = 0;
@ -37,6 +37,8 @@ int _chatLeft;
int _chatTop;
int _chatRight;
int _chatBottom;
int _chatWidth;
int _chatHeight;
static const char* chat_history_get(unsigned int index);
static uint32 chat_history_get_time(unsigned int index);
@ -83,36 +85,55 @@ void chat_draw(rct_drawpixelinfo * dpi)
}
_chatLeft = 10;
_chatTop = gScreenHeight - 45;
_chatRight = gScreenWidth - 10;
_chatBottom = gScreenHeight - 45;
//Dynamic background (auto-resizable, depending of the chat history).
if (_chatHistoryIndex < CHAT_HISTORY_SIZE && _chatHistoryIndex > 5) {
_chatTop -= ((_chatHistoryIndex + 1) * 15);
} else if (_chatHistoryIndex <= 5) {
_chatTop -= 90;
} else {
_chatTop -= ((CHAT_HISTORY_SIZE + 1) * 15);
}
_chatTop = _chatBottom - 10;
//Max width
if (_chatRight > 500) {
_chatRight = 500;
if (_chatRight > 600) {
_chatRight = 600;
}
_chatWidth = _chatRight - _chatLeft;
char lineBuffer[CHAT_INPUT_SIZE + 10];
char* lineCh = lineBuffer;
char* inputLine = _chatCurrentLine;
int inputLineHeight = 10;
uint8 chatBackgroundColor = theme_get_colour(WC_CHAT, 0);
if (gChatOpen) {
inputLineHeight = chat_string_wrapped_get_height((void*)&inputLine, _chatWidth - 10);
_chatTop -= inputLineHeight;
for (int i = 0; i < CHAT_HISTORY_SIZE; i++) {
if (strlen(chat_history_get(i)) == 0) {
continue;
}
safe_strcpy(lineBuffer, chat_history_get(i), CHAT_INPUT_SIZE + 10);
int lineHeight = chat_string_wrapped_get_height((void*)&lineCh, _chatWidth - 10);
_chatTop -= (lineHeight + 5);
}
_chatHeight = _chatBottom - _chatTop;
if (_chatTop < 50) {
_chatTop = 50;
}else if (_chatHeight < 150) { //Min width
_chatTop = _chatBottom - 150;
_chatHeight = 150;
}
gfx_set_dirty_blocks(_chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5); //Background area + Textbox
//TODO: Cleanup
gfx_fill_rect(
dpi,
_chatLeft,
_chatTop - 5,
_chatRight,
_chatBottom + 5,
0x2000000 | 51
0x2000000 | 51 //gray background, this makes the chat more opaque
);
gfx_fill_rect_inset(
dpi,
@ -121,67 +142,59 @@ void chat_draw(rct_drawpixelinfo * dpi)
_chatRight,
_chatBottom + 5,
chatBackgroundColor,
0x10
);
gfx_fill_rect_inset(
dpi,
_chatLeft + 1,
_chatTop - 4,
_chatRight - 1,
_chatBottom + 4,
chatBackgroundColor,
0x20
0x10 //No fill
);
gfx_fill_rect_inset(
dpi,
_chatLeft + 1,
_chatTop - 4,
_chatRight - 1,
_chatBottom - 16,
_chatBottom - inputLineHeight - 6,
chatBackgroundColor,
0x30
0x20 //Pressed
);
gfx_fill_rect_inset(
dpi,
_chatLeft + 1,
_chatBottom - 15,
_chatBottom - inputLineHeight - 5,
_chatRight - 1,
_chatBottom + 4,
chatBackgroundColor,
0x30
0x20 //Pressed
); //Textbox
}
char lineBuffer[CHAT_INPUT_SIZE + 10];
char* lineCh = lineBuffer;
int x = _chatLeft + 5;
int y = _chatBottom - (15 * 2);
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gCurrentFontFlags = 0;
int y = _chatBottom - inputLineHeight - 20;
int stringHeight = 0;
for (int i = 0; i < CHAT_HISTORY_SIZE; i++, y -= 15) {
for (int i = 0; i < CHAT_HISTORY_SIZE; i++, y -= stringHeight) {
if (!gChatOpen && SDL_TICKS_PASSED(SDL_GetTicks(), chat_history_get_time(i) + 10000)) {
break;
}
safe_strcpy(lineBuffer, chat_history_get(i), CHAT_INPUT_SIZE + 10);
gfx_clip_string(lineBuffer, _chatRight - _chatLeft - 10);
gfx_set_dirty_blocks(x, y, x + gfx_get_string_width(lineBuffer), y + 12); //clipping text not yet implemented, this is still required
gfx_draw_string(dpi, lineBuffer, 255, x, y);
stringHeight = chat_history_draw_string(dpi, (void*) &lineCh, x, y, _chatWidth - 10) + 5;
gfx_set_dirty_blocks(x, y - stringHeight, x + _chatWidth, y + 20);
if ((y - stringHeight) < 50) {
break;
}
}
if (gChatOpen) {
lineCh = utf8_write_codepoint(lineCh, FORMAT_OUTLINE);
lineCh = utf8_write_codepoint(lineCh, FORMAT_CELADON);
safe_strcpy(lineCh, _chatCurrentLine, CHAT_INPUT_SIZE);
y = _chatBottom - 15;
gfx_set_dirty_blocks(x, y, x + gfx_get_string_width(lineBuffer), y + 12);
gfx_draw_string(dpi, lineBuffer, 255, x, y + 3);
safe_strcpy(lineCh, _chatCurrentLine, sizeof(_chatCurrentLine));
y = _chatBottom - inputLineHeight - 5;
if (_chatCaretTicks < 15) {
int inputLineHeight = gfx_draw_string_left_wrapped(dpi, (void*)&lineCh, x, y + 3, _chatWidth - 10, STR_STRING, 255);
gfx_set_dirty_blocks(x, y, x + _chatWidth, y + inputLineHeight + 15);
//TODO: Show caret if the input text have multiple lines
if (_chatCaretTicks < 15 && gfx_get_string_width(lineBuffer) < (_chatWidth - 10)) {
memcpy(lineBuffer, _chatCurrentLine, gTextInput.selection_offset);
lineBuffer[gTextInput.selection_offset] = 0;
int caretX = x + gfx_get_string_width(lineBuffer);
@ -212,10 +225,10 @@ void chat_input(int c)
}
chat_clear_input();
chat_close();
break;
return;
case SDL_SCANCODE_ESCAPE:
chat_close();
break;
return;
}
}
@ -233,3 +246,63 @@ static void chat_clear_input()
{
_chatCurrentLine[0] = 0;
}
// This method is the same as gfx_draw_string_left_wrapped.
// But this adjusts the initial Y coordinate depending of the number of lines.
int chat_history_draw_string(rct_drawpixelinfo *dpi, void *args, int x, int y, int width)
{
int fontSpriteBase, lineHeight, lineY, numLines;
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
char* buffer = RCT2_ADDRESS(0x009C383D, char);
gfx_draw_string(dpi, buffer, 255, dpi->x, dpi->y);
buffer = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char);
format_string(buffer, STR_STRING, args);
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
lineHeight = font_get_line_height(fontSpriteBase);
gCurrentFontFlags = 0;
int expectedY = y - (numLines * lineHeight);
if (expectedY < 50) {
return (numLines * lineHeight); //Skip drawing, return total height.
}
lineY = y;
for (int line = 0; line <= numLines; ++line) {
gfx_draw_string(dpi, buffer, 0xFE, x, lineY - (numLines * lineHeight));
buffer = get_string_end(buffer) + 1;
lineY += lineHeight;
}
return lineY - y;
}
// Wrap string without drawing, useful to get the height of a wrapped string.
// Almost the same as gfx_draw_string_left_wrapped
int chat_string_wrapped_get_height(void *args, int width)
{
int fontSpriteBase, lineHeight, lineY, numLines;
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
char* buffer = RCT2_ADDRESS(0x009C383D, char);
buffer = RCT2_ADDRESS(RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, char);
format_string(buffer, STR_STRING, args);
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
lineHeight = font_get_line_height(fontSpriteBase);
gCurrentFontFlags = 0;
lineY = 0;
for (int line = 0; line <= numLines; ++line) {
buffer = get_string_end(buffer) + 1;
lineY += lineHeight;
}
return lineY;
}

2
src/interface/chat.h
View File

@ -33,5 +33,7 @@ void chat_draw(rct_drawpixelinfo * dpi);
void chat_history_add(const char *src);
void chat_input(int c);
int chat_string_wrapped_get_height(void *args, int width);
int chat_history_draw_string(rct_drawpixelinfo *dpi, void *args, int x, int y, int width);
#endif