From 7616537bc071bc93f8d36c84b94603528be1efb0 Mon Sep 17 00:00:00 2001
From: kwolekr <kwolekr@minetest.net>
Date: Wed, 12 Nov 2014 23:01:13 -0500
Subject: Add Generator Element Management framework

Add BiomeManager, OreManager, DecorationManager, and SchematicManager
---
 src/mg_biome.cpp | 87 ++++++++++++++------------------------------------------
 1 file changed, 21 insertions(+), 66 deletions(-)

(limited to 'src/mg_biome.cpp')

diff --git a/src/mg_biome.cpp b/src/mg_biome.cpp
index b1172a09d..4b9bc0dc1 100644
--- a/src/mg_biome.cpp
+++ b/src/mg_biome.cpp
@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "mg_biome.h"
+#include "gamedef.h"
 #include "nodedef.h"
 #include "map.h" //for ManualMapVoxelManipulator
 #include "log.h"
@@ -26,19 +27,25 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/mathconstants.h"
 #include "porting.h"
 
+const char *BiomeManager::ELEMENT_TITLE = "biome";
+
 NoiseParams nparams_biome_def_heat(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.70);
 NoiseParams nparams_biome_def_humidity(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.55);
 
 
-BiomeDefManager::BiomeDefManager(NodeResolver *resolver)
+///////////////////////////////////////////////////////////////////////////////
+
+
+BiomeManager::BiomeManager(IGameDef *gamedef)
 {
-	biome_registration_finished = false;
+	NodeResolver *resolver = gamedef->getNodeDefManager()->getResolver();
+
 	np_heat     = &nparams_biome_def_heat;
 	np_humidity = &nparams_biome_def_humidity;
 
 	// Create default biome to be used in case none exist
 	Biome *b = new Biome;
-	
+
 	b->id             = 0;
 	b->name           = "Default";
 	b->flags          = 0;
@@ -55,41 +62,21 @@ BiomeDefManager::BiomeDefManager(NodeResolver *resolver)
 	resolver->addNode("air",                 "", CONTENT_AIR, &b->c_dust);
 	resolver->addNode("mapgen_water_source", "", CONTENT_AIR, &b->c_dust_water);
 
-	biomes.push_back(b);
+	add(b);
 }
 
 
-BiomeDefManager::~BiomeDefManager()
+
+BiomeManager::~BiomeManager()
 {
 	//if (biomecache)
 	//	delete[] biomecache;
-	
-	for (size_t i = 0; i != biomes.size(); i++)
-		delete biomes[i];
 }
 
 
-Biome *BiomeDefManager::createBiome(BiomeTerrainType btt)
-{
-	/*switch (btt) {
-		case BIOME_TERRAIN_NORMAL:
-			return new Biome;
-		case BIOME_TERRAIN_LIQUID:
-			return new BiomeLiquid;
-		case BIOME_TERRAIN_NETHER:
-			return new BiomeHell;
-		case BIOME_TERRAIN_AETHER:
-			return new BiomeSky;
-		case BIOME_TERRAIN_FLAT:
-			return new BiomeSuperflat;
-	}
-	return NULL;*/
-	return new Biome;
-}
-
 
 // just a PoC, obviously needs optimization later on (precalculate this)
-void BiomeDefManager::calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map)
+void BiomeManager::calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map)
 {
 	int i = 0;
 	for (int y = 0; y != input->mapsize.Y; y++) {
@@ -102,38 +89,17 @@ void BiomeDefManager::calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map)
 }
 
 
-bool BiomeDefManager::addBiome(Biome *b)
-{
-	if (biome_registration_finished) {
-		errorstream << "BiomeDefManager: biome registration already "
-			"finished, dropping " << b->name << std::endl;
-		return false;
-	}
-	
-	size_t nbiomes = biomes.size();
-	if (nbiomes >= 0xFF) {
-		errorstream << "BiomeDefManager: too many biomes, dropping "
-			<< b->name << std::endl;
-		return false;
-	}
-
-	b->id = (u8)nbiomes;
-	biomes.push_back(b);
-	verbosestream << "BiomeDefManager: added biome " << b->name << std::endl;
-
-	return true;
-}
-
-
-Biome *BiomeDefManager::getBiome(float heat, float humidity, s16 y)
+Biome *BiomeManager::getBiome(float heat, float humidity, s16 y)
 {
 	Biome *b, *biome_closest = NULL;
 	float dist_min = FLT_MAX;
 
-	for (size_t i = 1; i < biomes.size(); i++) {
-		b = biomes[i];
-		if (y > b->height_max || y < b->height_min)
+	for (size_t i = 1; i < m_elements.size(); i++) {
+		b = (Biome *)m_elements[i];
+		if (!b || y > b->height_max || y < b->height_min) {
+			printf("not good - %p %d %d %d\n", b, y, b->height_max, b->height_min);
 			continue;
+		}
 
 		float d_heat     = heat     - b->heat_point;
 		float d_humidity = humidity - b->humidity_point;
@@ -145,16 +111,5 @@ Biome *BiomeDefManager::getBiome(float heat, float humidity, s16 y)
 		}
 	}
 	
-	return biome_closest ? biome_closest : biomes[0];
-}
-
-
-u8 BiomeDefManager::getBiomeIdByName(const char *name)
-{
-	for (size_t i = 0; i != biomes.size(); i++) {
-		if (!strcasecmp(name, biomes[i]->name.c_str()))
-			return i;
-	}
-	
-	return 0;
+	return biome_closest ? biome_closest : (Biome *)m_elements[0];
 }
-- 
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