/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program 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, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see http://gnu.org/licenses
*/
#include "ui/controls/shortcut.h"
#include "common/event.h"
#include "graphics/core/renderers.h"
#include "graphics/core/transparency.h"
#include "graphics/engine/engine.h"
#include "math/func.h"
#include <cmath>
namespace Ui
{
// Object's constructor.
CShortcut::CShortcut() : CControl()
{
m_time = 0.0f;
}
// Object's destructor.
CShortcut::~CShortcut()
{
}
// Creates a new button.
bool CShortcut::Create(const glm::vec2& pos, const glm::vec2& dim, int icon, EventType eventType)
{
if ( eventType == EVENT_NULL ) eventType = GetUniqueEventType();
CControl::Create(pos, dim, icon, eventType);
return true;
}
// Management of an event.
bool CShortcut::EventProcess(const Event &event)
{
CControl::EventProcess(event);
if ( event.type == EVENT_FRAME )
{
m_time += event.rTime;
}
if (event.type == EVENT_MOUSE_BUTTON_DOWN &&
event.GetData<MouseButtonEventData>()->button == MOUSE_BUTTON_LEFT)
{
if ( CControl::Detect(event.mousePos) )
{
m_event->AddEvent(Event(m_eventType));
return false;
}
}
return true;
}
// Draws the button.
void CShortcut::Draw()
{
float zoom;
int icon;
icon = 0;
zoom = 0.8f;
Gfx::TransparencyMode mode = Gfx::TransparencyMode::WHITE;
if ( m_state & STATE_HILIGHT )
{
icon = 4;
zoom = 0.9f;
mode = Gfx::TransparencyMode::NONE;
}
if ( m_state & STATE_CHECK )
{
icon = 1;
zoom = 0.8f;
mode = Gfx::TransparencyMode::NONE;
}
if ( m_state & STATE_PRESS )
{
icon = 1;
zoom = 1.0f;
mode = Gfx::TransparencyMode::NONE;
}
if ( m_icon == 128+6 || m_icon == 128+7 || m_icon == 58 ) // pause or film?
{
icon = -1; // no bottom
zoom = 1.0f;
}
auto renderer = m_engine->GetUIRenderer();
auto texture = m_engine->LoadTexture("textures/interface/button3.png");
renderer->SetTexture(texture);
if ( icon != -1 )
{
renderer->SetTransparency(mode);
DrawVertex(icon, 0.95f);
}
icon = SetButtonTextureForIcon(m_icon);
if (m_icon == 58)
{
renderer->SetTransparency(Gfx::TransparencyMode::WHITE);
}
else
{
renderer->SetTransparency(Gfx::TransparencyMode::BLACK);
}
DrawVertex(icon, zoom);
if ( m_state & STATE_FRAME )
{
glm::vec2 p1, p2, c, uv1, uv2;
float dp;
auto texture = m_engine->LoadTexture("textures/interface/button2.png");
renderer->SetTexture(texture);
renderer->SetTransparency(Gfx::TransparencyMode::WHITE);
zoom = 0.9f+sinf(m_time*8.0f)*0.1f;
p1.x = m_pos.x;
p1.y = m_pos.y;
p2.x = m_pos.x + m_dim.x;
p2.y = m_pos.y + m_dim.y;
c.x = (p1.x+p2.x)/2.0f;
c.y = (p1.y+p2.y)/2.0f; // center
p1.x = (p1.x-c.x)*zoom + c.x;
p1.y = (p1.y-c.y)*zoom + c.y;
p2.x = (p2.x-c.x)*zoom + c.x;
p2.y = (p2.y-c.y)*zoom + c.y;
p2.x -= p1.x;
p2.y -= p1.y;
uv1.x = 176.0f/256.0f;
uv1.y = 224.0f/256.0f;
uv2.x = 192.0f/256.0f;
uv2.y = 240.0f/256.0f;
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
DrawIcon(p1, p2, uv1, uv2);
}
if ( (m_state & STATE_RUN) && Math::Mod(m_time, 0.7f) >= 0.3f )
{
glm::vec2 uv1, uv2;
float dp;
auto texture = m_engine->LoadTexture("textures/interface/button3.png");
renderer->SetTexture(texture);
renderer->SetTransparency(Gfx::TransparencyMode::WHITE);
uv1.x = 160.0f/256.0f;
uv1.y = 0.0f/256.0f;
uv2.x = 192.0f/256.0f;
uv2.y = 32.0f/256.0f;
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
DrawIcon(m_pos, m_dim, uv1, uv2);
}
if ( (m_state & STATE_DAMAGE) && Math::Mod(m_time, 0.7f) >= 0.3f )
{
glm::vec2 uv1, uv2;
float dp;
auto texture = m_engine->LoadTexture("textures/interface/button2.png");
renderer->SetTexture(texture);
renderer->SetTransparency(Gfx::TransparencyMode::BLACK);
uv1.x = 159.0f / 256.0f;
uv1.y = 240.0f / 256.0f;
uv2.x = 145.0f / 256.0f;
uv2.y = 256.0f / 256.0f;
dp = 0.5f / 256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
DrawIcon(m_pos, m_dim, uv1, uv2);
}
}
// Draw the vertex array.
void CShortcut::DrawVertex(int icon, float zoom)
{
glm::vec2 p1, p2, c;
float u1, u2, v1, v2, dp;
p1.x = m_pos.x;
p1.y = m_pos.y;
p2.x = m_pos.x + m_dim.x;
p2.y = m_pos.y + m_dim.y;
c.x = (p1.x+p2.x)/2.0f;
c.y = (p1.y+p2.y)/2.0f; // center
p1.x = (p1.x-c.x)*zoom + c.x;
p1.y = (p1.y-c.y)*zoom + c.y;
p2.x = (p2.x-c.x)*zoom + c.x;
p2.y = (p2.y-c.y)*zoom + c.y;
u1 = (32.0f/256.0f)*(icon%8);
v1 = (32.0f/256.0f)*(icon/8); // u-v texture
u2 = (32.0f/256.0f)+u1;
v2 = (32.0f/256.0f)+v1;
dp = 0.5f/256.0f;
u1 += dp;
v1 += dp;
u2 -= dp;
v2 -= dp;
auto renderer = m_engine->GetUIRenderer();
auto vertices = renderer->BeginPrimitive(Gfx::PrimitiveType::TRIANGLE_STRIP, 4);
vertices[0] = { { p1.x, p1.y }, { u1, v2 } };
vertices[1] = { { p1.x, p2.y }, { u1, v1 } };
vertices[2] = { { p2.x, p1.y }, { u2, v2 } };
vertices[3] = { { p2.x, p2.y }, { u2, v1 } };
renderer->EndPrimitive();
m_engine->AddStatisticTriangle(2);
}
}