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/*
** Ark - Libraries, Tools & Programs for MMORPG developpements.
** Copyright (C) 1999-2000 The Contributors of the ArkRPG Project
** Please see the file "AUTHORS" for a list of contributors
**
** 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 2 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, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Ark/ArkTexture.h>
#include <Client/UIRenderer.h>
namespace Client
{
UIRenderer *g_UI = NULL;
UIRenderer::UIRenderer (Ark::Renderer *renderer,
int vbuffersize, int width, int height) :
m_Renderer (renderer),
m_Material ("ui-material"),
m_NumVertices (0)
{
m_VBuffer.SetFormat (Ark::VertexBuffer::VB_HAS_COORD|
Ark::VertexBuffer::VB_HAS_COLOR|
Ark::VertexBuffer::VB_HAS_UV0);
m_VBuffer.Resize (3*vbuffersize);
m_Material.m_Flags = Ark::MATERIAL_IS_DOUBLESIDED;
m_Material.m_Passes[0].m_Flags = (Ark::PASS_HAS_TEXTURE|
Ark::PASS_HAS_DEPTHFUNC);
m_Material.m_Passes[0].m_Texture = Ark::TexturePtr();
m_Material.m_Passes[0].m_DepthFunc = Ark::DEPTHFUNC_ALWAYS;
m_Material.m_Passes[0].m_AlphaValue = 0.5;
m_Material.m_Passes[0].m_AlphaFunc = Ark::DEPTHFUNC_GEQUAL;
m_Material.m_Passes[0].m_BlendSrc = Ark::BLEND_SRC_ALPHA;
m_Material.m_Passes[0].m_BlendDst = Ark::BLEND_ONE_MINUS_SRC_ALPHA;
this->width = width;
this->height = height;
g_UI = this;
}
UIRenderer::~UIRenderer()
{
}
///////////////////////////////////////////////////////////////
void
UIRenderer::SetTexture (const Ark::TexturePtr& texture)
{
if (m_NumVertices)
Flush();
if (!texture)
{
m_Material.m_Passes[0].m_Texture = Ark::TexturePtr();
m_Material.m_Flags &= ~Ark::MATERIAL_HAS_PASS1;
return;
}
m_Material.m_Passes[0].m_Texture = texture;
if (texture->m_Format == Ark::Image::RGBA_8888)
{
m_Material.m_Passes[0].m_Flags |= Ark::PASS_HAS_BLENDING;
m_Material.m_Passes[0].m_Flags |= Ark::PASS_HAS_ALPHATEST;
}
else
{
m_Material.m_Passes[0].m_Flags &= ~Ark::PASS_HAS_BLENDING;
m_Material.m_Passes[0].m_Flags &= ~Ark::PASS_HAS_ALPHATEST;
}
m_Material.m_Flags |= Ark::MATERIAL_HAS_PASS1;
}
void
UIRenderer::BeginTriangles ()
{
if (m_NumVertices)
Flush();
}
void
UIRenderer::Vertex (int x, int y,
scalar u, scalar v,
uchar r, uchar g, uchar b, uchar a)
{
if (m_NumVertices == int(m_VBuffer.Size()))
Flush();
Ark::RGBA rgba = {r,g,b,a};
const scalar sx = static_cast<scalar>(x);
const scalar sy = static_cast<scalar>(y);
m_VBuffer.Coord (m_NumVertices) = Ark::Vector3 (sx, sy, 0.0);
m_VBuffer.UV0 (m_NumVertices) = Ark::Vector2 (u, v);
m_VBuffer.Color4 (m_NumVertices) = rgba;
m_NumVertices++;
}
void
UIRenderer::Flush ()
{
if (m_NumVertices == 0)
return;
m_Renderer->RenderBlock (m_Material, Ark::PRIM_TRIANGLES,
m_VBuffer, m_NumVertices);
m_NumVertices = 0;
}
void
UIRenderer::DrawTexturedRectangle (int minx, int miny,
int w, int h)
{
BeginTriangles();
Vertex (minx, miny, 0.0, 0.0);
Vertex (minx, miny+h, 0.0, 1.0);
Vertex (minx+w, miny+h, 1.0, 1.0);
Vertex (minx+w, miny+h, 1.0, 1.0);
Vertex (minx+w, miny, 1.0, 0.0);
Vertex (minx, miny, 0.0, 0.0);
}
///////////////////////////////////////////////////////////////
Ark::FontPtr
UIRenderer::GetFont (const Ark::String &name)
{
Ark::FontPtr fp;
m_Renderer->GetCache().Get (Ark::V_FONT, name, fp);
return fp;
}
void
UIRenderer::DrawString (Ark::Font *font,
const Ark::String &str, int x, int y)
{
font->DrawString (*Rdr(), str, x, y);
}
void
UIRenderer::DrawString (const Ark::String &name,
const Ark::String &str, int x, int y)
{
GetFont(name)->DrawString (*Rdr(), str, x, y);
}
int
UIRenderer::GetStringWidth (Ark::Font *font, const Ark::String &str)
{
int w;
font->GetStringSize (str, &w, NULL);
return w;
}
int
UIRenderer::GetStringHeight (Ark::Font *font, const Ark::String &str)
{
int h;
font->GetStringSize (str, NULL, &h);
return h;
}
///////////////////////////////////////////////////////////////
Ark::Renderer *
UIRenderer::Rdr()
{
return m_Renderer;
}
}
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