Differential D4045 Diff 17872 source/graphics/MiniMapTexture.cpp

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source/graphics/MiniMapTexture.cpp

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svn:eol-style	null	native \ No newline at end of property

* This file is part of 0 A.D.

* 0 A.D. 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.

* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.

#include "precompiled.h"

#include "MiniMapTexture.h"

#include "graphics/MiniPatch.h"

#include "graphics/ShaderManager.h"

#include "graphics/Terrain.h"

#include "graphics/TerrainTextureEntry.h"

#include "graphics/TerrainTextureManager.h"

#include "graphics/TerritoryTexture.h"

#include "lib/bits.h"

#include "ps/CStrInternStatic.h"

#include "ps/Filesystem.h"

#include "ps/Game.h"

#include "ps/World.h"

#include "ps/XML/Xeromyces.h"

#include "renderer/Renderer.h"

#include "renderer/RenderingOptions.h"

#include "renderer/WaterManager.h"

#include "scriptinterface/Object.h"

#include "simulation2/Simulation2.h"

#include "simulation2/components/ICmpMinimap.h"

#include "simulation2/components/ICmpRangeManager.h"

#include "simulation2/system/ParamNode.h"

namespace

{

unsigned int ScaleColor(unsigned int color, float x)

{

unsigned int r = unsigned(float(color & 0xff) * x);

unsigned int g = unsigned(float((color>>8) & 0xff) * x);

StanUnsubmitted

Not Done

static_casts

Stan: static_casts

unsigned int b = unsigned(float((color>>16) & 0xff) * x);

return (0xff000000 | b | g<<8 | r<<16);

}

} // anonymous namespace

CMiniMapTexture::CMiniMapTexture(CSimulation2& simulation)

: m_Simulation(simulation)

{

// Register Relax NG validator.

CXeromyces::AddValidator(g_VFS, "pathfinder", "simulation/data/pathfinder.rng");

m_ShallowPassageHeight = GetShallowPassageHeight();

}

StanUnsubmitted

Not Done

No need to make it a member. It's not exposed and only used in CMiniMapTexture::RebuildTerrainTexture

Stan: No need to make it a member. It's not exposed and only used in CMiniMapTexture…

CMiniMapTexture::~CMiniMapTexture()

{

DestroyTextures();

}

void CMiniMapTexture::Update(const float UNUSED(deltaRealTime))

{

if (m_WaterHeight != g_Renderer.GetWaterManager()->m_WaterHeight)

m_Dirty = true;

}

void CMiniMapTexture::Render()

{

if (!m_Dirty)

return;

const CTerrain* terrain = g_Game->GetWorld()->GetTerrain();

if (!terrain)

return;

CmpPtr<ICmpRangeManager> cmpRangeManager(m_Simulation, SYSTEM_ENTITY);

ENSURE(cmpRangeManager);

m_MapSize = terrain->GetVerticesPerSide();

m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize);

m_MapScale = cmpRangeManager->GetLosCircular() ? 1.f : 1.414f;

StanUnsubmitted

Not Done

Unused? Should other code reference it ?

Stan: Unused? Should other code reference it ?

vladislavbelovAuthorUnsubmitted

Done

Removed.

vladislavbelov: Removed.

if (!m_TerrainTexture)

CreateTextures(terrain);

RebuildTerrainTexture(terrain);

}

void CMiniMapTexture::CreateTextures(const CTerrain* terrain)

{

DestroyTextures();

// Create terrain texture

glGenTextures(1, &m_TerrainTexture);

g_Renderer.BindTexture(0, m_TerrainTexture);

// Initialise texture with solid black, for the areas we don't

// overwrite with glTexSubImage2D later

u32* texData = new u32[m_TextureSize * m_TextureSize];

for (ssize_t i = 0; i < m_TextureSize * m_TextureSize; ++i)

texData[i] = 0xFF000000;

glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_TextureSize, m_TextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, texData);

delete[] texData;

m_TerrainData = new u32[(m_MapSize - 1) * (m_MapSize - 1)];

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

// Rebuild and upload both of them

RebuildTerrainTexture(terrain);

}

void CMiniMapTexture::DestroyTextures()

{

if (m_TerrainTexture)

{

glDeleteTextures(1, &m_TerrainTexture);

m_TerrainTexture = 0;

}

SAFE_ARRAY_DELETE(m_TerrainData);

}

void CMiniMapTexture::RebuildTerrainTexture(const CTerrain* terrain)

{

u32 x = 0;

u32 y = 0;

u32 w = m_MapSize - 1;

u32 h = m_MapSize - 1;

m_WaterHeight = g_Renderer.GetWaterManager()->m_WaterHeight;

m_Dirty = false;

for (u32 j = 0; j < h; ++j)

{

u32* dataPtr = m_TerrainData + ((y + j) * (m_MapSize - 1)) + x;

for (u32 i = 0; i < w; ++i)

StanUnsubmitted

Not Done

for (u32 j = 0; j < h; ++j)

{

- u32* dataPtr = m_TerrainData + ((y + j) * (m_MapSize - 1)) + x;

+ u32* dataPtr = m_TerrainData + ((y + j) * w) + x;

+ // or (hopefully compiler is smart enough)

+ u32* dataPtr = m_TerrainData + ((y + j) * h) + x;

for (u32 i = 0; i < w; ++i)

Stan:

vladislavbelovAuthorUnsubmitted

Done

Not now.

vladislavbelov: Not now.

{

float avgHeight = ( terrain->GetVertexGroundLevel((int)i, (int)j)

+ terrain->GetVertexGroundLevel((int)i+1, (int)j)

+ terrain->GetVertexGroundLevel((int)i, (int)j+1)

+ terrain->GetVertexGroundLevel((int)i+1, (int)j+1)

) / 4.0f;

if (avgHeight < m_WaterHeight && avgHeight > m_WaterHeight - m_ShallowPassageHeight)

{

// shallow water

*dataPtr++ = 0xffc09870;

}

else if (avgHeight < m_WaterHeight)

{

// Set water as constant color for consistency on different maps

*dataPtr++ = 0xffa07850;

}

else

{

int hmap = ((int)terrain->GetHeightMap()[(y + j) * m_MapSize + x + i]) >> 8;

int val = (hmap / 3) + 170;

u32 color = 0xFFFFFFFF;

CMiniPatch* mp = terrain->GetTile(x + i, y + j);

if (mp)

{

CTerrainTextureEntry* tex = mp->GetTextureEntry();

if (tex)

{

// If the texture can't be loaded yet, set the dirty flags

// so we'll try regenerating the terrain texture again soon

if(!tex->GetTexture()->TryLoad())

m_Dirty = true;

color = tex->GetBaseColor();

}

*dataPtr++ = ScaleColor(color, float(val) / 255.0f);

}

StanUnsubmitted

Not Done

Do we have to do ptr maths?

static_cast ?

Stan: Do we have to do ptr maths? static_cast ?

vladislavbelovAuthorUnsubmitted

Done

No, but I'm not going to refactor it yet. First I need to cleanup GUI.

vladislavbelov: No, but I'm not going to refactor it yet. First I need to cleanup GUI.

StanUnsubmitted

Not Done

Fair enough.

Stan: Fair enough.

}

// Upload the texture

g_Renderer.BindTexture(0, m_TerrainTexture);

glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_MapSize - 1, m_MapSize - 1, GL_RGBA, GL_UNSIGNED_BYTE, m_TerrainData);

g_Renderer.BindTexture(0, 0);

}

// static

float CMiniMapTexture::GetShallowPassageHeight()

{

float shallowPassageHeight = 0.0f;

CParamNode externalParamNode;

CParamNode::LoadXML(externalParamNode, L"simulation/data/pathfinder.xml", "pathfinder");

const CParamNode pathingSettings = externalParamNode.GetChild("Pathfinder").GetChild("PassabilityClasses");

if (pathingSettings.GetChild("default").IsOk() && pathingSettings.GetChild("default").GetChild("MaxWaterDepth").IsOk())

shallowPassageHeight = pathingSettings.GetChild("default").GetChild("MaxWaterDepth").ToFloat();

return shallowPassageHeight;

}