feat(terrain): final clean implementation of RenderAllTerrain

Author: githubawn

Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTerrainVisual.cpp

@@ -604,19 +604,29 @@ Bool W3DTerrainVisual::load( AsciiString filename )
 
 	RefRenderObjListIterator *it = W3DDisplay::m_3DScene ? W3DDisplay::m_3DScene->createLightsIterator() : nullptr;
 	// apply the heightmap to the terrain render object
-
 #ifdef DO_SEISMIC_SIMULATIONS
-	m_terrainRenderObject->initHeightData( m_clientHeightMap->getDrawWidth(),
-																				 m_clientHeightMap->getDrawHeight(),
-																				 m_clientHeightMap,
-																				 it);
+	WorldHeightMap* heightMap = m_clientHeightMap;
 #else
-	m_terrainRenderObject->initHeightData( m_logicHeightMap->getDrawWidth(),
-																				 m_logicHeightMap->getDrawHeight(),
-																				 m_logicHeightMap,
-																				 it);
+	WorldHeightMap* heightMap = m_logicHeightMap;
 #endif
 
+	const Bool isRenderAllTerrain = TheGlobalData->m_renderAllTerrain;
+
+	Int xExt, yExt;
+
+	if (isRenderAllTerrain) {
+		xExt = heightMap->getXExtent();
+		yExt = heightMap->getYExtent();
+
+		// TheSuperHackers @feature explicitly draw boundaries to match full extent
+		heightMap->setDrawWidth(xExt);
+		heightMap->setDrawHeight(yExt);
+	} else {
+		xExt = heightMap->getDrawWidth();
+		yExt = heightMap->getDrawHeight();
+	}
+
+	m_terrainRenderObject->initHeightData(xExt, yExt, heightMap, it);
 
 	if (it) {
 	 W3DDisplay::m_3DScene->destroyLightsIterator(it);

Generals/Code/GameEngine/Include/Common/GlobalData.h

@@ -119,7 +119,7 @@ class GlobalData : public SubsystemInterface
 	// TheSuperHackers @feature helmutbuhler 11/04/2025
 	// Run game without graphics, input or audio.
 	Bool m_headless;
-
+	Bool m_renderAllTerrain;
 	Bool m_windowed;
 	Int m_xResolution;
 	Int m_yResolution;

Generals/Code/GameEngine/Source/Common/GlobalData.cpp

@@ -427,7 +427,7 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "ShellMapName",								INI::parseAsciiString,nullptr,			offsetof( GlobalData, m_shellMapName ) },
 	{ "ShellMapOn",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_shellMapOn ) },
 	{	"PlayIntro",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_playIntro ) },
-
+	{ "RenderAllTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_renderAllTerrain ) },
 	{ "FirewallBehavior",						INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallBehavior ) },
 	{ "FirewallPortOverride",				INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortOverride ) },
 	{	"FirewallPortAllocationDelta",INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortAllocationDelta) },
@@ -627,6 +627,7 @@ GlobalData::GlobalData()
 	m_framesPerSecondLimit = 0;
 	m_chipSetType = 0;
 	m_headless = FALSE;
+	m_renderAllTerrain = FALSE;
 	m_windowed = 0;
 	m_xResolution = DEFAULT_DISPLAY_WIDTH;
 	m_yResolution = DEFAULT_DISPLAY_HEIGHT;

GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h

@@ -120,7 +120,7 @@ class GlobalData : public SubsystemInterface
 	// TheSuperHackers @feature helmutbuhler 11/04/2025
 	// Run game without graphics, input or audio.
 	Bool m_headless;
-
+	Bool m_renderAllTerrain;
 	Bool m_windowed;
 	Int m_xResolution;
 	Int m_yResolution;

GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp

@@ -427,7 +427,7 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "ShellMapName",								INI::parseAsciiString,nullptr,			offsetof( GlobalData, m_shellMapName ) },
 	{ "ShellMapOn",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_shellMapOn ) },
 	{	"PlayIntro",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_playIntro ) },
-
+	{ "RenderAllTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_renderAllTerrain ) },
 	{ "FirewallBehavior",						INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallBehavior ) },
 	{ "FirewallPortOverride",				INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortOverride ) },
 	{	"FirewallPortAllocationDelta",INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortAllocationDelta) },
@@ -631,6 +631,7 @@ GlobalData::GlobalData()
 	m_framesPerSecondLimit = 0;
 	m_chipSetType = 0;
 	m_headless = FALSE;
+	m_renderAllTerrain = FALSE;
 	m_windowed = 0;
 	m_xResolution = DEFAULT_DISPLAY_WIDTH;
 	m_yResolution = DEFAULT_DISPLAY_HEIGHT;