mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-11 13:10:45 +00:00
145 lines
4.4 KiB
C++
145 lines
4.4 KiB
C++
/*
|
|
* This file is part of OpenTTD.
|
|
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
|
|
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** @file texteff.cpp Handling of text effects. */
|
|
|
|
#include "stdafx.h"
|
|
#include "texteff.hpp"
|
|
#include "transparency.h"
|
|
#include "strings_func.h"
|
|
#include "core/smallvec_type.hpp"
|
|
#include "viewport_func.h"
|
|
#include "settings_type.h"
|
|
#include "guitimer_func.h"
|
|
#include "zoom_func.h"
|
|
|
|
#include "safeguards.h"
|
|
|
|
static std::vector<struct TextEffect> _text_effects; ///< Text effects are stored there
|
|
static TextEffectID _free_text_effect = 0;
|
|
|
|
/** Container for all information about a text effect */
|
|
struct TextEffect : public ViewportSign {
|
|
uint64 params_1; ///< DParam parameter
|
|
uint64 params_2; ///< second DParam parameter
|
|
StringID string_id; ///< String to draw for the text effect, if INVALID_STRING_ID then it's not valid
|
|
uint8 duration; ///< How long the text effect should stay, in ticks (applies only when mode == TE_RISING)
|
|
TextEffectMode mode; ///< Type of text effect
|
|
|
|
/** Reset the text effect */
|
|
void Reset()
|
|
{
|
|
this->MarkDirty(ZOOM_LVL_OUT_8X);
|
|
this->width_normal = 0;
|
|
this->string_id = INVALID_STRING_ID;
|
|
this->params_1 = _free_text_effect;
|
|
_free_text_effect = this - _text_effects.data();
|
|
}
|
|
};
|
|
|
|
/* Text Effects */
|
|
TextEffectID AddTextEffect(StringID msg, int center, int y, uint8 duration, TextEffectMode mode)
|
|
{
|
|
if (_game_mode == GM_MENU) return INVALID_TE_ID;
|
|
|
|
TextEffectID i = _free_text_effect;
|
|
if (i == _text_effects.size()) {
|
|
_text_effects.emplace_back();
|
|
_free_text_effect++;
|
|
} else {
|
|
_free_text_effect = _text_effects[i].params_1;
|
|
}
|
|
|
|
TextEffect &te = _text_effects[i];
|
|
|
|
/* Start defining this object */
|
|
te.string_id = msg;
|
|
te.duration = duration;
|
|
te.params_1 = GetDParam(0);
|
|
te.params_2 = GetDParam(1);
|
|
te.mode = mode;
|
|
|
|
/* Make sure we only dirty the new area */
|
|
te.width_normal = 0;
|
|
te.UpdatePosition(ZOOM_LVL_OUT_8X, center, y, msg);
|
|
|
|
return i;
|
|
}
|
|
|
|
void UpdateTextEffect(TextEffectID te_id, StringID msg)
|
|
{
|
|
/* Update details */
|
|
TextEffect *te = _text_effects.data() + te_id;
|
|
if (msg == te->string_id && GetDParam(0) == te->params_1) return;
|
|
te->string_id = msg;
|
|
te->params_1 = GetDParam(0);
|
|
te->params_2 = GetDParam(1);
|
|
|
|
te->UpdatePosition(ZOOM_LVL_OUT_8X, te->center, te->top, te->string_id, te->string_id - 1);
|
|
}
|
|
|
|
void UpdateAllTextEffectVirtCoords()
|
|
{
|
|
for (auto &te : _text_effects) {
|
|
if (te.string_id == INVALID_STRING_ID) continue;
|
|
SetDParam(0, te.params_1);
|
|
SetDParam(1, te.params_2);
|
|
te.UpdatePosition(ZOOM_LVL_OUT_8X, te.center, te.top, te.string_id, te.string_id - 1);
|
|
}
|
|
}
|
|
|
|
void RemoveTextEffect(TextEffectID te_id)
|
|
{
|
|
_text_effects[te_id].Reset();
|
|
}
|
|
|
|
void MoveAllTextEffects(uint delta_ms)
|
|
{
|
|
static GUITimer texteffecttimer = GUITimer(MILLISECONDS_PER_TICK);
|
|
uint count = texteffecttimer.CountElapsed(delta_ms);
|
|
if (count == 0) return;
|
|
|
|
for (TextEffect &te : _text_effects) {
|
|
if (te.string_id == INVALID_STRING_ID) continue;
|
|
if (te.mode != TE_RISING) continue;
|
|
|
|
if (te.duration < count) {
|
|
te.Reset();
|
|
continue;
|
|
}
|
|
|
|
te.MarkDirty(ZOOM_LVL_OUT_8X);
|
|
te.duration -= count;
|
|
te.top -= count * ZOOM_LVL_BASE;
|
|
te.MarkDirty(ZOOM_LVL_OUT_8X);
|
|
}
|
|
}
|
|
|
|
void InitTextEffects()
|
|
{
|
|
_text_effects.clear();
|
|
_text_effects.shrink_to_fit();
|
|
_free_text_effect = 0;
|
|
}
|
|
|
|
void DrawTextEffects(DrawPixelInfo *dpi)
|
|
{
|
|
/* Don't draw the text effects when zoomed out a lot */
|
|
if (dpi->zoom > ZOOM_LVL_OUT_8X) return;
|
|
|
|
const int bottom_threshold = dpi->top + dpi->height;
|
|
const int top_threshold = dpi->top - ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
|
|
const bool show_loading = (_settings_client.gui.loading_indicators && !IsTransparencySet(TO_LOADING));
|
|
|
|
for (TextEffect &te : _text_effects) {
|
|
if (te.string_id == INVALID_STRING_ID) continue;
|
|
if ((te.mode == TE_RISING || show_loading) && te.top > top_threshold && te.top < bottom_threshold) {
|
|
ViewportAddString(dpi, ZOOM_LVL_OUT_8X, &te, te.string_id, te.string_id - 1, STR_NULL, te.params_1, te.params_2);
|
|
}
|
|
}
|
|
}
|