diff --git a/data/hmap.cpp b/data/hmap.cpp
deleted file mode 100644
index 1f24c651d..000000000
--- a/data/hmap.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Powder Toy - Heatmap Data
- *
- * Copyright (c) 2010 Simon Robertshaw
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
- */
-#include "hmap.h"
-extern const unsigned char color_data[] = 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,0xFF,0x00,0xCA,0xFF,0x00,0xCB,0xFF,0x00,0xCC,0xFF,0x00,0xCC,0xFF,0x00,0xCC,0xFF,0x00,0xCD,0xFF,0x00,0xCD,0xFF,0x00,0xCE,0xFF,0x00,0xCE,0xFF,0x00,0xCF,0xFF,0x00,0xCF,0xFF,0x00,0xD0,0xFF,0x00,0xD0,0xFF,0x00,0xD1,0xFF,0x00,0xD1,0xFF,0x00,0xD1,0xFF,0x00,0xD2,0xFF,0x00,0xD2,0xFF,0x00,0xD3,0xFF,0x00,0xD3,0xFF,0x00,0xD4,0xFF,0x00,0xD3,0xFF,0x00,0xD4,0xFF,0x00,0xD4}; //1024 Pixels
-//extern const char plasma_data[] = {0x00,0x00,0x00,0x03,0x00,0x00,0x05,0x00,0x00,0x09,0x00,0x00,0x0E,0x00,0x00,0x12,0x00,0x00,0x17,0x00,0x00,0x1C,0x00,0x00,0x22,0x00,0x00,0x27,0x00,0x00,0x2C,0x00,0x00,0x32,0x00,0x00,0x37,0x00,0x00,0x3C,0x00,0x00,0x41,0x00,0x00,0x45,0x00,0x00,0x4A,0x00,0x00,0x4D,0x00,0x00,0x51,0x00,0x00,0x53,0x00,0x00,0x55,0x00,0x00,0x55,0x00,0x02,0x55,0x02,0x03,0x55,0x03,0x06,0x55,0x03,0x07,0x55,0x05,0x09,0x55,0x06,0x0C,0x55,0x06,0x0F,0x55,0x07,0x10,0x55,0x09,0x13,0x55,0x0A,0x16,0x55,0x0C,0x1A,0x55,0x0C,0x1D,0x54,0x0E,0x20,0x53,0x10,0x23,0x54,0x11,0x26,0x53,0x13,0x2A,0x52,0x14,0x2E,0x51,0x15,0x31,0x50,0x17,0x35,0x50,0x19,0x38,0x4E,0x1A,0x3D,0x4D,0x1C,0x40,0x4D,0x1D,0x44,0x4C,0x1F,0x47,0x4B,0x21,0x4C,0x4A,0x23,0x4F,0x49,0x24,0x54,0x48,0x25,0x57,0x47,0x28,0x5B,0x46,0x29,0x5F,0x45,0x2B,0x62,0x44,0x2D,0x66,0x44,0x2E,0x6A,0x43,0x30,0x6E,0x42,0x32,0x72,0x41,0x33,0x76,0x40,0x35,0x79,0x3F,0x38,0x7C,0x3F,0x39,0x7F,0x3E,0x3B,0x83,0x3D,0x3D,0x86,0x3C,0x3F,0x8A,0x3B,0x40,0x8C,0x3B,0x43,0x8F,0x3B,0x44,0x92,0x3A,0x46,0x95,0x39,0x48,0x98,0x39,0x4A,0x9B,0x39,0x4C,0x9C,0x39,0x4E,0x9F,0x3A,0x4F,0xA1,0x39,0x51,0xA3,0x39,0x52,0xA4,0x39,0x54,0xA6,0x39,0x56,0xA7,0x39,0x57,0xA8,0x39,0x58,0xA8,0x3A,0x5A,0xA9,0x3A,0x5C,0xA8,0x3A,0x5D,0xA8,0x3B,0x5F,0xA8,0x3C,0x61,0xA8,0x3D,0x62,0xA8,0x3D,0x64,0xA9,0x3E,0x66,0xA8,0x3E,0x67,0xA9,0x3F,0x68,0xA8,0x40,0x6A,0xA8,0x41,0x6C,0xA8,0x42,0x6E,0xA8,0x42,0x70,0xA8,0x43,0x71,0xA8,0x44,0x73,0xA8,0x45,0x74,0xA9,0x46,0x76,0xA8,0x48,0x79,0xA8,0x49,0x7A,0xA7,0x4A,0x7C,0xA6,0x4A,0x7D,0xA5,0x4C,0x7F,0xA4,0x4D,0x81,0xA3,0x4E,0x83,0xA2,0x4E,0x85,0xA1,0x50,0x86,0xA0,0x51,0x88,0x9F,0x52,0x8A,0x9D,0x53,0x8B,0x9D,0x55,0x8D,0x9B,0x56,0x8F,0x9A,0x57,0x91,0x98,0x58,0x92,0x98,0x5A,0x94,0x97,0x5B,0x96,0x95,0x5C,0x97,0x94,0x5E,0x99,0x93,0x5F,0x9A,0x91,0x60,0x9C,0x90,0x61,0x9D,0x90,0x62,0x9F,0x8E,0x64,0xA1,0x8D,0x65,0xA2,0x8C,0x67,0xA3,0x8B,0x68,0xA5,0x8A,0x6A,0xA6,0x89,0x6A,0xA7,0x88,0x6B,0xA9,0x87,0x6D,0xAB,0x86,0x6E,0xAB,0x86,0x6F,0xAE,0x85,0x71,0xAE,0x85,0x72,0xAF,0x85,0x73,0xB0,0x84,0x75,0xB2,0x83,0x75,0xB2,0x83,0x77,0xB4,0x83,0x77,0xB5,0x83,0x79,0xB6,0x83,0x7A,0xB6,0x83,0x7B,0xB8,0x83,0x7D,0xB9,0x84,0x7E,0xB9,0x83,0x7F,0xBA,0x84,0x7F,0xBB,0x85,0x82,0xBC,0x85,0x83,0xBD,0x86,0x84,0xBD,0x87,0x85,0xBD,0x87,0x86,0xBE,0x88,0x88,0xBF,0x88,0x89,0xBF,0x89,0x8A,0xC0,0x8B,0x8B,0xC0,0x8C,0x8D,0xC1,0x8D,0x8F,0xC1,0x8E,0x90,0xC2,0x8F,0x91,0xC1,0x90,0x92,0xC2,0x91,0x94,0xC3,0x93,0x95,0xC3,0x93,0x97,0xC3,0x95,0x98,0xC3,0x96,0x99,0xC3,0x98,0x9B,0xC4,0x99,0x9C,0xC3,0x9A,0x9E,0xC4,0x9B,0x9F,0xC4,0x9D,0xA0,0xC4,0x9E,0xA2,0xC4,0x9F,0xA4,0xC4,0xA0,0xA5,0xC4,0xA2,0xA6,0xC4,0xA4,0xA8,0xC4,0xA5,0xA9,0xC5,0xA6,0xAA,0xC5,0xA8,0xAB,0xC4,0xA9,0xAC,0xC4,0xAA,0xAE,0xC4,0xAC,0xAF,0xC4,0xAD,0xB0,0xC4,0xAE,0xB2,0xC4,0xB0,0xB3,0xC4,0xB1,0xB4,0xC4,0xB3,0xB5,0xC5,0xB4,0xB6,0xC4,0xB6,0xB7,0xC4,0xB7,0xB8,0xC4,0xB7,0xBA,0xC4,0xB9,0xBA,0xC4,0xBA,0xBC,0xC4,0xBB,0xBC,0xC4,0xBC,0xBE,0xC4,0xBD,0xBF,0xC4,0xBE,0xBF,0xC4,0xBF,0xC0,0xC4,0xC0,0xC1,0xC4,0xC1,0xC2,0xC4,0xC2,0xC2,0xC4,0xC3,0xC4,0xC4,0xC3,0xC4,0xC4,0xC4}; //200 Pixels
-extern const unsigned char hflm_data[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x01,0x01,0x02,0x02,0x01,0x04,0x02,0x01,0x04,0x02,0x03,0x05,0x03,0x03,0x07,0x04,0x04,0x08,0x04,0x03,0x09,0x04,0x04,0x0B,0x05,0x04,0x0C,0x05,0x05,0x0D,0x06,0x05,0x0E,0x07,0x06,0x10,0x07,0x07,0x11,0x08,0x07,0x12,0x09,0x08,0x14,0x09,0x08,0x15,0x0A,0x09,0x17,0x0A,0x09,0x19,0x0B,0x0A,0x1A,0x0C,0x0A,0x1C,0x0D,0x0B,0x1D,0x0D,0x0B,0x1F,0x0D,0x0C,0x22,0x0F,0x0D,0x23,0x0F,0x0E,0x25,0x10,0x0E,0x26,0x11,0x0F,0x28,0x12,0x10,0x2A,0x13,0x10,0x2C,0x13,0x11,0x2E,0x14,0x12,0x2F,0x15,0x12,0x31,0x15,0x13,0x33,0x16,0x14,0x35,0x17,0x15,0x36,0x18,0x15,0x39,0x19,0x16,0x3B,0x19,0x17,0x3D,0x1B,0x17,0x3E,0x1B,0x18,0x40,0x1C,0x19,0x42,0x1D,0x1A,0x43,0x1D,0x1B,0x45,0x1E,0x1C,0x47,0x1F,0x1C,0x49,0x20,0x1D,0x4B,0x21,0x1F,0x4C,0x21,0x1F,0x4E,0x22,0x20,0x50,0x23,0x21,0x52,0x23,0x22,0x53,0x24,0x23,0x55,0x25,0x23,0x56,0x26,0x24,0x59,0x26,0x25,0x5A,0x27,0x26,0x5B,0x28,0x27,0x5D,0x28,0x28,0x5E,0x29,0x29,0x60,0x29,0x2A,0x62,0x2A,0x2B,0x63,0x2B,0x2C,0x64,0x2C,0x2E,0x65,0x2C,0x2E,0x66,0x2C,0x2F,0x68,0x2D,0x31,0x69,0x2E,0x32,0x6A,0x2F,0x32,0x6B,0x2F,0x34,0x6C,0x30,0x34,0x6D,0x30,0x35,0x6F,0x31,0x37,0x70,0x31,0x38,0x71,0x32,0x39,0x72,0x33,0x3B,0x73,0x33,0x3C,0x74,0x34,0x3D,0x75,0x35,0x3E,0x76,0x35,0x3F,0x78,0x36,0x41,0x78,0x36,0x42,0x79,0x36,0x43,0x7A,0x37,0x44,0x7B,0x37,0x46,0x7C,0x38,0x48,0x7D,0x39,0x48,0x7E,0x3A,0x49,0x7F,0x39,0x4B,0x80,0x3A,0x4C,0x81,0x3B,0x4E,0x82,0x3C,0x4F,0x83,0x3C,0x51,0x84,0x3C,0x52,0x84,0x3D,0x54,0x86,0x3E,0x55,0x87,0x3E,0x56,0x88,0x3F,0x57,0x89,0x40,0x59,0x8A,0x40,0x5A,0x8A,0x41,0x5C,0x8B,0x41,0x5D,0x8C,0x42,0x5F,0x8D,0x41,0x60,0x8E,0x42,0x62,0x8E,0x42,0x62,0x8F,0x44,0x65,0x90,0x43,0x65,0x91,0x45,0x67,0x91,0x44,0x69,0x92,0x45,0x6A,0x93,0x46,0x6B,0x94,0x46,0x6C,0x94,0x46,0x6E,0x96,0x47,0x70,0x96,0x48,0x70,0x97,0x48,0x72,0x98,0x48,0x73,0x99,0x49,0x74,0x99,0x49,0x76,0x9A,0x4A,0x77,0x9A,0x4B,0x78,0x9B,0x4B,0x7A,0x9C,0x4B,0x7B,0x9D,0x4B,0x7C,0x9E,0x4C,0x7D,0x9F,0x4C,0x7E,0x9F,0x4D,0x7F,0xA0,0x4E,0x80,0xA0,0x4E,0x82,0xA1,0x4E,0x83,0xA2,0x4F,0x84,0xA3,0x4F,0x85,0xA3,0x4F,0x86,0xA4,0x4F,0x88,0xA5,0x50,0x89,0xA5,0x50,0x89,0xA6,0x51,0x8B,0xA6,0x51,0x8B,0xA7,0x51,0x8D,0xA8,0x51,0x8E,0xA9,0x52,0x8F,0xAA,0x52,0x90,0xAA,0x53,0x92,0xAB,0x53,0x92,0xAB,0x53,0x93,0xAC,0x54,0x95,0xAD,0x53,0x95,0xAE,0x54,0x96,0xAE,0x55,0x98,0xAE,0x54,0x98,0xAF,0x55,0x9A,0xB0,0x56,0x9B,0xB0,0x56,0x9C,0xB1,0x56,0x9D,0xB1,0x56,0x9E,0xB2,0x56,0xA0,0xB3,0x57,0xA0,0xB3,0x57,0xA1,0xB3,0x57,0xA2,0xB4,0x58,0xA3,0xB4,0x58,0xA4,0xB5,0x57,0xA5,0xB6,0x58,0xA6,0xB6,0x58,0xA7,0xB7,0x58,0xA8,0xB7,0x59,0xA9,0xB8,0x58,0xAA,0xB9,0x5A,0xAB,0xB9,0x59,0xAC,0xBA,0x5A,0xAD,0xBA,0x5A,0xAE,0xBB,0x5A,0xAF,0xBB,0x5A,0xB0,0xBC,0x5B,0xB0,0xBC,0x5A,0xB1,0xBD,0x5B,0xB2,0xBD,0x5B,0xB3,0xBD,0x5B,0xB4,0xBE,0x5C,0xB5,0xBE,0x5B,0xB5,0xBE,0x5B,0xB7,0xBF,0x5C,0xB7,0xBF,0x5C,0xB8,0xBF,0x5C,0xB9,0xC0,0x5C,0xB9,0xC0,0x5C,0xBA,0xC0,0x5C,0xBA,0xC1,0x5D,0xBB,0xC2,0x5D,0xBC,0xC2,0x5D,0xBC,0xC2,0x5D,0xBD,0xC2,0x5E,0xBE,0xC3,0x5E,0xBE,0xC3,0x5E,0xBF,0xC3,0x5E,0xC0,0xC3,0x5E,0xC0,0xC4,0x5E,0xC1,0xC4,}; //200 Pixels
-extern const unsigned char firw_data[] = {0xFF,0x00,0xFF,0xFF,0x00,0xFF,0xFC,0x00,0xFF,0xF8,0x00,0xFF,0xF3,0x00,0xFF,0xEE,0x00,0xFF,0xE9,0x00,0xFF,0xE4,0x00,0xFF,0xDD,0x00,0xFF,0xD8,0x00,0xFF,0xD2,0x00,0xFF,0xCB,0x00,0xFF,0xC4,0x00,0xFF,0xBD,0x00,0xFF,0xB5,0x00,0xFF,0xAD,0x00,0xFF,0xA6,0x00,0xFF,0x9E,0x00,0xFF,0x96,0x00,0xFF,0x8E,0x00,0xFF,0x87,0x00,0xFF,0x7E,0x00,0xFF,0x77,0x00,0xFF,0x6E,0x00,0xFF,0x66,0x00,0xFF,0x5E,0x00,0xFF,0x56,0x00,0xFF,0x4F,0x00,0xFF,0x47,0x00,0xFF,0x40,0x00,0xFF,0x39,0x00,0xFF,0x32,0x00,0xFF,0x2B,0x00,0xFF,0x25,0x00,0xFF,0x1E,0x00,0xFF,0x19,0x00,0xFF,0x14,0x00,0xFF,0x0F,0x00,0xFF,0x0A,0x00,0xFF,0x06,0x00,0xFF,0x01,0x00,0xFF,0x00,0x01,0xFF,0x00,0x05,0xFF,0x00,0x09,0xFF,0x00,0x0E,0xFF,0x00,0x13,0xFF,0x00,0x18,0xFF,0x00,0x1E,0xFF,0x00,0x24,0xFF,0x00,0x2A,0xFF,0x00,0x30,0xFF,0x00,0x37,0xFF,0x00,0x3E,0xFF,0x00,0x45,0xFF,0x00,0x4D,0xFF,0x00,0x55,0xFF,0x00,0x5C,0xFF,0x00,0x64,0xFF,0x00,0x6C,0xFF,0x00,0x74,0xFF,0x00,0x7C,0xFF,0x00,0x84,0xFF,0x00,0x8D,0xFF,0x00,0x95,0xFF,0x00,0x9D,0xFF,0x00,0xA4,0xFF,0x00,0xAC,0xFF,0x00,0xB3,0xFF,0x00,0xBB,0xFF,0x00,0xC2,0xFF,0x00,0xC9,0xFF,0x00,0xD0,0xFF,0x00,0xD7,0xFF,0x00,0xDD,0xFF,0x00,0xE3,0xFF,0x00,0xE9,0xFF,0x00,0xED,0xFF,0x00,0xF2,0xFF,0x00,0xF6,0xFF,0x00,0xFB,0xFF,0x00,0xFE,0xFF,0x00,0xFF,0xFC,0x00,0xFF,0xF8,0x00,0xFF,0xF4,0x00,0xFF,0xF0,0x00,0xFF,0xEA,0x00,0xFF,0xE5,0x00,0xFF,0xDF,0x00,0xFF,0xD9,0x00,0xFF,0xD3,0x00,0xFF,0xCC,0x00,0xFF,0xC5,0x00,0xFF,0xBD,0x00,0xFF,0xB7,0x00,0xFF,0xAF,0x00,0xFF,0xA7,0x00,0xFF,0xA0,0x00,0xFF,0x97,0x00,0xFF,0x8F,0x00,0xFF,0x88,0x00,0xFF,0x80,0x00,0xFF,0x77,0x00,0xFF,0x6F,0x00,0xFF,0x68,0x00,0xFF,0x5F,0x00,0xFF,0x57,0x00,0xFF,0x50,0x00,0xFF,0x48,0x00,0xFF,0x41,0x00,0xFF,0x3A,0x00,0xFF,0x33,0x00,0xFF,0x2D,0x00,0xFF,0x26,0x00,0xFF,0x20,0x00,0xFF,0x1A,0x00,0xFF,0x15,0x00,0xFF,0x10,0x00,0xFF,0x0B,0x00,0xFF,0x07,0x00,0xFF,0x03,0x00,0xFF,0x00,0x04,0xFF,0x00,0x08,0xFF,0x00,0x0D,0xFF,0x00,0x11,0xFF,0x00,0x17,0xFF,0x00,0x1D,0xFF,0x00,0x23,0xFF,0x00,0x28,0xFF,0x00,0x2F,0xFF,0x00,0x36,0xFF,0x00,0x3D,0xFF,0x00,0x44,0xFF,0x00,0x4B,0xFF,0x00,0x53,0xFF,0x00,0x5A,0xFF,0x00,0x62,0xFF,0x00,0x6B,0xFF,0x00,0x72,0xFF,0x00,0x7B,0xFF,0x00,0x82,0xFF,0x00,0x8A,0xFF,0x00,0x92,0xFF,0x00,0x9A,0xFF,0x00,0xA3,0xFF,0x00,0xAA,0xFF,0x00,0xB1,0xFF,0x00,0xBA,0xFF,0x00,0xC1,0xFF,0x00,0xC8,0xFF,0x00,0xCF,0xFF,0x00,0xD5,0xFF,0x00,0xDB,0xFF,0x00,0xE1,0xFF,0x00,0xE7,0xFF,0x00,0xEC,0xFF,0x00,0xF1,0xFF,0x00,0xF6,0xFF,0x00,0xFA,0xFF,0x00,0xFE,0xFF,0x00,0xFF,0xFD,0x00,0xFF,0xF9,0x00,0xFF,0xF5,0x00,0xFF,0xF1,0x00,0xFF,0xEB,0x00,0xFF,0xE6,0x00,0xFF,0xE0,0x00,0xFF,0xDB,0x00,0xFF,0xD4,0x00,0xFF,0xCE,0x00,0xFF,0xC7,0x00,0xFF,0xBF,0x00,0xFF,0xB8,0x00,0xFF,0xB1,0x00,0xFF,0xA9,0x00,0xFF,0xA1,0x00,0xFF,0x99,0x00,0xFF,0x91,0x00,0xFF,0x89,0x00,0xFF,0x82,0x00,0xFF,0x79,0x00,0xFF,0x71,0x00,0xFF,0x6A,0x00,0xFF,0x61,0x00,0xFF,0x59,0x00,0xFF,0x52,0x00,0xFF,0x4A,0x00,0xFF,0x43,0x00,0xFF,0x3C,0x00,0xFF,0x34,0x00,0xFF,0x2E,0x00,0xFF,0x28,0x00,0xFF,0x22,0x00,0xFF,0x1B,0x00,0xFF,0x16,0x00,0xFF,0x10,0x00,0xFF,0x0C,0x00,0xFF,0x08,0x00,0xFF,0x04,0x00,0xFF,0x00,0x00,}; //200 Pixels
diff --git a/data/hmap.h b/data/hmap.h
deleted file mode 100644
index 6eb7dd73d..000000000
--- a/data/hmap.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Powder Toy - Heatmap Data
- *
- * Copyright (c) 2010 Simon Robertshaw
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
- */
-#pragma once
-extern const unsigned char color_data[];
-//extern const char plasma_data[];
-extern const unsigned char hflm_data[];
-extern const unsigned char firw_data[];
diff --git a/data/meson.build b/data/meson.build
index c55266c9f..a089c85fb 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -1,4 +1 @@
-data_files += files(
-	'hmap.cpp',
-)
 data_files += to_array.process('font.bz2', extra_args: 'compressed_font_data')
diff --git a/src/client/GameSave.cpp b/src/client/GameSave.cpp
index a37e0c7c1..cf46f626c 100644
--- a/src/client/GameSave.cpp
+++ b/src/client/GameSave.cpp
@@ -10,7 +10,6 @@
 #include "bzip2/bz2wrap.h"
 #include "Config.h"
 #include "Format.h"
-#include "hmap.h"
 
 #include "simulation/Simulation.h"
 #include "simulation/ElementClasses.h"
@@ -18,6 +17,7 @@
 #include "common/tpt-minmax.h"
 #include "common/tpt-compat.h"
 #include "bson/BSON.h"
+#include "graphics/Renderer.h"
 
 static void ConvertJsonToBson(bson *b, Json::Value j, int depth = 0);
 static void ConvertBsonToJson(bson_iterator *b, Json::Value *j, int depth = 0);
@@ -404,6 +404,7 @@ static void CheckBsonFieldFloat(bson_iterator iter, const char *field, float *se
 
 void GameSave::readOPS(const std::vector<char> &data)
 {
+	Renderer::PopulateTables();
 
 	unsigned char *inputData = (unsigned char*)&data[0], *partsData = NULL, *partsPosData = NULL, *fanData = NULL, *wallData = NULL, *soapLinkData = NULL;
 	unsigned char *pressData = NULL, *vxData = NULL, *vyData = NULL, *ambientData = NULL;
@@ -1078,10 +1079,9 @@ void GameSave::readOPS(const std::vector<char> &data)
 					case PT_FIRW:
 						if (particles[newIndex].tmp>=2 && savedVersion < 81)
 						{
-							auto caddress = int(restrict_flt(float(particles[newIndex].tmp-4), 0.0f, 199.0f)) * 3;
 							particles[newIndex].type = PT_EMBR;
+							particles[newIndex].ctype = Renderer::firwTableAt(particles[newIndex].tmp - 4);
 							particles[newIndex].tmp = 1;
-							particles[newIndex].ctype = (((firw_data[caddress]))<<16) | (((firw_data[caddress+1]))<<8) | ((firw_data[caddress+2]));
 						}
 						break;
 					case PT_PSTN:
@@ -1243,6 +1243,8 @@ void GameSave::readOPS(const std::vector<char> &data)
 
 void GameSave::readPSv(const std::vector<char> &dataVec)
 {
+	Renderer::PopulateTables();
+
 	unsigned char * saveData = (unsigned char *)&dataVec[0];
 	auto dataLength = int(dataVec.size());
 	int q,j,k,x,y,p=0, ver, pty, ty, legacy_beta=0;
@@ -1800,10 +1802,9 @@ void GameSave::readPSv(const std::vector<char> &dataVec)
 				}
 				if (particles[i-1].type==PT_FIRW && particles[i-1].tmp>=2)
 				{
-					auto caddress = int(restrict_flt(float(particles[i-1].tmp-4), 0.0f, 199.0f))*3;
 					particles[i-1].type = PT_EMBR;
+					particles[i-1].ctype = Renderer::firwTableAt(particles[i-1].tmp-4);
 					particles[i-1].tmp = 1;
-					particles[i-1].ctype = (((firw_data[caddress]))<<16) | (((firw_data[caddress+1]))<<8) | ((firw_data[caddress+2]));
 				}
 			}
 			if (ver < 89)
diff --git a/src/graphics/Graphics.cpp b/src/graphics/Graphics.cpp
index 5c4752fe8..96909c147 100644
--- a/src/graphics/Graphics.cpp
+++ b/src/graphics/Graphics.cpp
@@ -137,58 +137,6 @@ VideoBuffer::~VideoBuffer()
 	delete[] Buffer;
 }
 
-/**
- * Common graphics functions, mostly static methods that provide
- * encoding/decoding of different formats and font metrics
- */
-
-char * Graphics::GenerateGradient(pixel * colours, float * points, int pointcount, int size)
-{
-	int cp, i, j;
-	pixel ptemp;
-	char * newdata = (char*)malloc(size * 3);
-	float poss, pose, temp;
-	memset(newdata, 0, size*3);
-	//Sort the Colours and Points
-	for (i = (pointcount - 1); i > 0; i--)
-	{
-		for (j = 1; j <= i; j++)
-		{
-			if (points[j-1] > points[j])
-			{
-				temp = points[j-1];
-				points[j-1] = points[j];
-				points[j] = temp;
-
-				ptemp = colours[j-1];
-				colours[j-1] = colours[j];
-				colours[j] = ptemp;
-			}
-		}
-	}
-	i = 0;
-	j = 1;
-	poss = points[i];
-	pose = points[j];
-	for (cp = 0; cp < size; cp++)
-	{
-		float cpos = (float)cp / (float)size, ccpos, cccpos;
-		if(cpos > pose && j+1 < pointcount)
-		{
-			poss = points[++i];
-			pose = points[++j];
-		}
-		ccpos = cpos - poss;
-		cccpos = ccpos / (pose - poss);
-		if(cccpos > 1.0f)
-			cccpos = 1.0f;
-		newdata[(cp*3)  ] = char(PIXR(colours[i])*(1.0f-cccpos) + PIXR(colours[j])*(cccpos));
-		newdata[(cp*3)+1] = char(PIXG(colours[i])*(1.0f-cccpos) + PIXG(colours[j])*(cccpos));
-		newdata[(cp*3)+2] = char(PIXB(colours[i])*(1.0f-cccpos) + PIXB(colours[j])*(cccpos));
-	}
-	return newdata;
-}
-
 pixel *Graphics::resample_img_nn(pixel * src, int sw, int sh, int rw, int rh)
 {
 	int y, x;
@@ -965,3 +913,39 @@ bool PngDataToPixels(std::vector<pixel> &imageData, int &imgw, int &imgh, const
 	png_destroy_read_struct(&png, &info, (png_infopp)NULL);
 	return true;
 }
+
+bool Graphics::GradientStop::operator <(const GradientStop &other) const
+{
+	return point < other.point;
+}
+
+std::vector<pixel> Graphics::Gradient(std::vector<GradientStop> stops, int resolution)
+{
+	std::vector<pixel> table(resolution, 0);
+	if (stops.size() >= 2)
+	{
+		std::sort(stops.begin(), stops.end());
+		auto stop = -1;
+		for (auto i = 0; i < resolution; ++i)
+		{
+			auto point = i / (float)resolution;
+			while (stop < (int)stops.size() - 1 && stops[stop + 1].point <= point)
+			{
+				++stop;
+			}
+			if (stop < 0 || stop >= (int)stops.size() - 1)
+			{
+				continue;
+			}
+			auto &left = stops[stop];
+			auto &right = stops[stop + 1];
+			auto f = (point - left.point) / (right.point - left.point);
+			table[i] = PIXRGB(
+				int(PIXR(left.color) + (PIXR(right.color) - PIXR(left.color)) * f),
+				int(PIXG(left.color) + (PIXG(right.color) - PIXG(left.color)) * f),
+				int(PIXB(left.color) + (PIXB(right.color) - PIXB(left.color)) * f)
+			);
+		}
+	}
+	return table;
+}
diff --git a/src/graphics/Graphics.h b/src/graphics/Graphics.h
index 5139e9bc4..b12c2bbfd 100644
--- a/src/graphics/Graphics.h
+++ b/src/graphics/Graphics.h
@@ -80,8 +80,14 @@ public:
 	pixel *vid;
 	int sdl_scale;
 
-	//Common graphics methods in Graphics.cpp
-	static char * GenerateGradient(pixel * colours, float * points, int pointcount, int size);
+	struct GradientStop
+	{
+		pixel color;
+		float point;
+
+		bool operator <(const GradientStop &other) const;
+	};
+	static std::vector<pixel> Gradient(std::vector<GradientStop> stops, int resolution);
 
 	//PTIF methods
 	static pixel *resample_img_nn(pixel *src, int sw, int sh, int rw, int rh);
diff --git a/src/graphics/Renderer.cpp b/src/graphics/Renderer.cpp
index 20de1d7e2..f158ccf9d 100644
--- a/src/graphics/Renderer.cpp
+++ b/src/graphics/Renderer.cpp
@@ -25,7 +25,6 @@
 #include "lua/LuaScriptHelper.h"
 #include "lua/LuaSmartRef.h"
 #endif
-#include "hmap.h"
 
 #define VIDXRES WINDOWW
 #define VIDYRES WINDOWH
@@ -701,7 +700,7 @@ void Renderer::prepare_alpha(int size, float intensity)
 #ifndef FONTEDITOR
 void Renderer::render_parts()
 {
-	int deca, decr, decg, decb, cola, colr, colg, colb, firea, firer, fireg, fireb, pixel_mode, q, i, t, nx, ny, x, y, caddress;
+	int deca, decr, decg, decb, cola, colr, colg, colb, firea, firer, fireg, fireb, pixel_mode, q, i, t, nx, ny, x, y;
 	int orbd[4] = {0, 0, 0, 0}, orbl[4] = {0, 0, 0, 0};
 	float gradv, flicker;
 	Particle * parts;
@@ -790,7 +789,7 @@ void Renderer::render_parts()
 				if((elements[t].Properties & PROP_HOT_GLOW) && sim->parts[i].temp>(elements[t].HighTemperature-800.0f))
 				{
 					gradv = 3.1415/(2*elements[t].HighTemperature-(elements[t].HighTemperature-800.0f));
-					caddress = int((sim->parts[i].temp>elements[t].HighTemperature)?elements[t].HighTemperature-(elements[t].HighTemperature-800.0f):sim->parts[i].temp-(elements[t].HighTemperature-800.0f));
+					auto caddress = int((sim->parts[i].temp>elements[t].HighTemperature)?elements[t].HighTemperature-(elements[t].HighTemperature-800.0f):sim->parts[i].temp-(elements[t].HighTemperature-800.0f));
 					colr += int(sin(gradv*caddress) * 226);
 					colg += int(sin(gradv*caddress*4.55 +3.14) * 34);
 					colb += int(sin(gradv*caddress*2.22 +3.14) * 64);
@@ -814,11 +813,11 @@ void Renderer::render_parts()
 				{
 					constexpr float min_temp = MIN_TEMP;
 					constexpr float max_temp = MAX_TEMP;
-					caddress = int(restrict_flt((sim->parts[i].temp - min_temp) / (max_temp - min_temp) * 1024, 0, 1023)) * 3;
 					firea = 255;
-					firer = colr = color_data[caddress];
-					fireg = colg = color_data[caddress+1];
-					fireb = colb = color_data[caddress+2];
+					auto color = heatTableAt(int((sim->parts[i].temp - min_temp) / (max_temp - min_temp) * 1024));
+					firer = colr = PIXR(color);
+					fireg = colg = PIXG(color);
+					fireb = colb = PIXB(color);
 					cola = 255;
 					if(pixel_mode & (FIREMODE | PMODE_GLOW))
 						pixel_mode = (pixel_mode & ~(FIREMODE|PMODE_GLOW)) | PMODE_BLUR;
@@ -1322,8 +1321,8 @@ int HeatToColour(float temp)
 {
 	constexpr float min_temp = MIN_TEMP;
 	constexpr float max_temp = MAX_TEMP;
-	int caddress = int(restrict_flt((temp - min_temp) / (max_temp - min_temp) * 1024, 0, 1023)) * 3;
-	return PIXRGB((int)(color_data[caddress]*0.7f), (int)(color_data[caddress+1]*0.7f), (int)(color_data[caddress+2]*0.7f));
+	auto color = Renderer::heatTableAt(int((temp - min_temp) / (max_temp - min_temp) * 1024));
+	return PIXRGB((int)(PIXR(color)*0.7f), (int)(PIXG(color)*0.7f), (int)(PIXB(color)*0.7f));
 }
 
 void Renderer::draw_air()
@@ -1444,6 +1443,65 @@ pixel Renderer::GetPixel(int x, int y)
 	return vid[(y*VIDXRES)+x];
 }
 
+std::vector<pixel> Renderer::flameTable;
+std::vector<pixel> Renderer::plasmaTable;
+std::vector<pixel> Renderer::heatTable;
+std::vector<pixel> Renderer::clfmTable;
+std::vector<pixel> Renderer::firwTable;
+static bool tablesPopulated = false;
+static std::mutex tablesPopulatedMx;
+void Renderer::PopulateTables()
+{
+	std::lock_guard g(tablesPopulatedMx);
+	if (!tablesPopulated)
+	{
+		tablesPopulated = true;
+		flameTable = Graphics::Gradient({
+			{ 0x000000, 0.00f },
+			{ 0x60300F, 0.50f },
+			{ 0xDFBF6F, 0.90f },
+			{ 0xAF9F0F, 1.00f },
+		}, 200);
+		plasmaTable = Graphics::Gradient({
+			{ 0x000000, 0.00f },
+			{ 0x301040, 0.25f },
+			{ 0x301060, 0.50f },
+			{ 0xAFFFFF, 0.90f },
+			{ 0xAFFFFF, 1.00f },
+		}, 200);
+		heatTable = Graphics::Gradient({
+			{ 0x2B00FF, 0.00f },
+			{ 0x003CFF, 0.01f },
+			{ 0x00C0FF, 0.05f },
+			{ 0x00FFEB, 0.08f },
+			{ 0x00FF14, 0.19f },
+			{ 0x4BFF00, 0.25f },
+			{ 0xC8FF00, 0.37f },
+			{ 0xFFDC00, 0.45f },
+			{ 0xFF0000, 0.71f },
+			{ 0xFF00DC, 1.00f },
+		}, 1024);
+		clfmTable = Graphics::Gradient({
+			{ 0x000000, 0.00f },
+			{ 0x0A0917, 0.10f },
+			{ 0x19163C, 0.20f },
+			{ 0x28285E, 0.30f },
+			{ 0x343E77, 0.40f },
+			{ 0x49769A, 0.60f },
+			{ 0x57A0B4, 0.80f },
+			{ 0x5EC4C6, 1.00f },
+		}, 200);
+		firwTable = Graphics::Gradient({
+			{ 0xFF00FF, 0.00f },
+			{ 0x0000FF, 0.20f },
+			{ 0x00FFFF, 0.40f },
+			{ 0x00FF00, 0.60f },
+			{ 0xFFFF00, 0.80f },
+			{ 0xFF0000, 1.00f },
+		}, 200);
+	}
+}
+
 Renderer::Renderer(Graphics * g, Simulation * sim):
 	sim(NULL),
 	g(NULL),
@@ -1466,6 +1524,8 @@ Renderer::Renderer(Graphics * g, Simulation * sim):
 	ZFACTOR(8),
 	gridSize(0)
 {
+	PopulateTables();
+
 	this->g = g;
 	this->sim = sim;
 	vid = g->vid;
@@ -1551,17 +1611,6 @@ Renderer::Renderer(Graphics * g, Simulation * sim):
 	graphicscache = new gcache_item[PT_NUM];
 	std::fill(&graphicscache[0], &graphicscache[PT_NUM], gcache_item());
 
-	int fireColoursCount = 4;
-	pixel fireColours[] = {PIXPACK(0xAF9F0F), PIXPACK(0xDFBF6F), PIXPACK(0x60300F), PIXPACK(0x000000)};
-	float fireColoursPoints[] = {1.0f, 0.9f, 0.5f, 0.0f};
-
-	int plasmaColoursCount = 5;
-	pixel plasmaColours[] = {PIXPACK(0xAFFFFF), PIXPACK(0xAFFFFF), PIXPACK(0x301060), PIXPACK(0x301040), PIXPACK(0x000000)};
-	float plasmaColoursPoints[] = {1.0f, 0.9f, 0.5f, 0.25, 0.0f};
-
-	flm_data = Graphics::GenerateGradient(fireColours, fireColoursPoints, fireColoursCount, 200);
-	plasma_data = Graphics::GenerateGradient(plasmaColours, plasmaColoursPoints, plasmaColoursCount, 200);
-
 	prepare_alpha(CELL, 1.0f);
 }
 
@@ -1709,8 +1758,6 @@ Renderer::~Renderer()
 	delete[] persistentVid;
 	delete[] warpVid;
 	delete[] graphicscache;
-	free(flm_data);
-	free(plasma_data);
 }
 
 #define PIXELMETHODS_CLASS Renderer
diff --git a/src/graphics/Renderer.h b/src/graphics/Renderer.h
index 56a7db9cd..51957ce29 100644
--- a/src/graphics/Renderer.h
+++ b/src/graphics/Renderer.h
@@ -50,8 +50,6 @@ public:
 	unsigned char fire_g[YRES/CELL][XRES/CELL];
 	unsigned char fire_b[YRES/CELL][XRES/CELL];
 	unsigned int fire_alpha[CELL*3][CELL*3];
-	char * flm_data;
-	char * plasma_data;
 	//
 	bool gravityZonesEnabled;
 	bool gravityFieldEnabled;
@@ -153,6 +151,23 @@ public:
 	Renderer(Graphics * g, Simulation * sim);
 	~Renderer();
 
+#define RENDERER_TABLE(name) \
+	static std::vector<pixel> name; \
+	static inline pixel name ## At(int index) \
+	{ \
+		auto size = int(name.size()); \
+		if (index <        0) index =        0; \
+		if (index > size - 1) index = size - 1; \
+		return name[index]; \
+	}
+	RENDERER_TABLE(flameTable)
+	RENDERER_TABLE(plasmaTable)
+	RENDERER_TABLE(heatTable)
+	RENDERER_TABLE(clfmTable)
+	RENDERER_TABLE(firwTable)
+#undef RENDERER_TABLE
+	static void PopulateTables();
+
 private:
 	int gridSize;
 };
diff --git a/src/gui/interface/Slider.cpp b/src/gui/interface/Slider.cpp
index 24fcdfc84..791244669 100644
--- a/src/gui/interface/Slider.cpp
+++ b/src/gui/interface/Slider.cpp
@@ -9,7 +9,6 @@ Slider::Slider(Point position, Point size, int steps):
 		sliderSteps(steps),
 		sliderPosition(0),
 		isMouseDown(false),
-		bgGradient(NULL),
 		col1(0, 0, 0, 0),
 		col2(0, 0, 0, 0)
 {
@@ -66,12 +65,12 @@ void Slider::OnMouseUp(int x, int y, unsigned button)
 
 void Slider::SetColour(Colour col1, Colour col2)
 {
-	pixel pix[2] = {(pixel)PIXRGB(col1.Red, col1.Green, col1.Blue), (pixel)PIXRGB(col2.Red, col2.Green, col2.Blue)};
-	float fl[2] = {0.0f, 1.0f};
-	free(bgGradient);
 	this->col1 = col1;
 	this->col2 = col2;
-	bgGradient = (unsigned char*)Graphics::GenerateGradient(pix, fl, 2, Size.X-7);
+	bgGradient = Graphics::Gradient({
+		{ pixel(PIXRGB(col1.Red, col1.Green, col1.Blue)), 0.f },
+		{ pixel(PIXRGB(col2.Red, col2.Green, col2.Blue)), 1.f },
+	}, Size.X-7);
 }
 
 int Slider::GetValue()
@@ -107,11 +106,16 @@ void Slider::Draw(const Point& screenPos)
 	Graphics * g = GetGraphics();
 	//g->drawrect(screenPos.X, screenPos.Y, Size.X, Size.Y, 255, 255, 255, 255);
 
-	if(bgGradient)
+	if (bgGradient.size())
 	{
 		for (int j = 3; j < Size.Y-7; j++)
-				for (int i = 3; i < Size.X-7; i++)
-					g->blendpixel(screenPos.X+i+2, screenPos.Y+j+2, bgGradient[(i-3)*3], bgGradient[(i-3)*3+1], bgGradient[(i-3)*3+2], 255);
+		{
+			for (int i = 3; i < Size.X-7; i++)
+			{
+				auto color = bgGradient[i - 3];
+				g->blendpixel(screenPos.X+i+2, screenPos.Y+j+2, PIXR(color), PIXG(color), PIXB(color), 255);
+			}
+		}
 	}
 
 	g->drawrect(screenPos.X+3, screenPos.Y+3, Size.X-6, Size.Y-6, 255, 255, 255, 255);
diff --git a/src/gui/interface/Slider.h b/src/gui/interface/Slider.h
index fea0f30c6..bd8b20338 100644
--- a/src/gui/interface/Slider.h
+++ b/src/gui/interface/Slider.h
@@ -3,6 +3,7 @@
 
 #include "Component.h"
 #include "Colour.h"
+#include "graphics/Pixel.h"
 
 #include <functional>
 
@@ -12,7 +13,7 @@ class Slider : public ui::Component
 	int sliderSteps;
 	int sliderPosition;
 	bool isMouseDown;
-	unsigned char * bgGradient;
+	std::vector<pixel> bgGradient;
 
 	struct SliderAction
 	{
diff --git a/src/simulation/elements/CFLM.cpp b/src/simulation/elements/CFLM.cpp
index d11216da3..cbc465af4 100644
--- a/src/simulation/elements/CFLM.cpp
+++ b/src/simulation/elements/CFLM.cpp
@@ -1,5 +1,4 @@
 #include "simulation/ElementCommon.h"
-#include "hmap.h"
 
 static int graphics(GRAPHICS_FUNC_ARGS);
 static void create(ELEMENT_CREATE_FUNC_ARGS);
@@ -51,10 +50,10 @@ void Element::Element_CFLM()
 
 static int graphics(GRAPHICS_FUNC_ARGS)
 {
-	int caddress = int(restrict_flt(float(cpart->life / 2), 0, 199)) * 3;
-	*colr = hflm_data[caddress];
-	*colg = hflm_data[caddress+1];
-	*colb = hflm_data[caddress+2];
+	auto color = Renderer::clfmTableAt(cpart->life / 2);
+	*colr = PIXR(color);
+	*colg = PIXG(color);
+	*colb = PIXB(color);
 
 	*firea = 255;
 	*firer = *colr;
diff --git a/src/simulation/elements/FIRE.cpp b/src/simulation/elements/FIRE.cpp
index 7e5585801..8e62a1c2a 100644
--- a/src/simulation/elements/FIRE.cpp
+++ b/src/simulation/elements/FIRE.cpp
@@ -353,10 +353,10 @@ static int updateLegacy(UPDATE_FUNC_ARGS)
 
 static int graphics(GRAPHICS_FUNC_ARGS)
 {
-	int caddress = int(restrict_flt(float(cpart->life), 0, 199)) * 3;
-	*colr = (unsigned char)ren->flm_data[caddress];
-	*colg = (unsigned char)ren->flm_data[caddress+1];
-	*colb = (unsigned char)ren->flm_data[caddress+2];
+	auto color = Renderer::flameTableAt(cpart->life);
+	*colr = PIXR(color);
+	*colg = PIXG(color);
+	*colb = PIXB(color);
 
 	*firea = 255;
 	*firer = *colr;
diff --git a/src/simulation/elements/FIRW.cpp b/src/simulation/elements/FIRW.cpp
index 642f0ebcb..f818a8208 100644
--- a/src/simulation/elements/FIRW.cpp
+++ b/src/simulation/elements/FIRW.cpp
@@ -1,5 +1,4 @@
 #include "simulation/ElementCommon.h"
-#include "hmap.h"
 
 static int update(UPDATE_FUNC_ARGS);
 static int graphics(GRAPHICS_FUNC_ARGS);
@@ -88,17 +87,14 @@ static int update(UPDATE_FUNC_ARGS)
 	}
 	else //if (parts[i].tmp>=2)
 	{
-		float angle, magnitude;
-		int caddress = RNG::Ref().between(0, 199) * 3;
-		int n;
-		unsigned col = (((firw_data[caddress]))<<16) | (((firw_data[caddress+1]))<<8) | ((firw_data[caddress+2]));
-		for (n=0; n<40; n++)
+		unsigned col = Renderer::firwTableAt(RNG::Ref().between(0, 199));
+		for (int n=0; n<40; n++)
 		{
 			np = sim->create_part(-3, x, y, PT_EMBR);
 			if (np>-1)
 			{
-				magnitude = RNG::Ref().between(40, 99) * 0.05f;
-				angle = RNG::Ref().between(0, 6283) * 0.001f;//(in radians, between 0 and 2*pi)
+				auto magnitude = RNG::Ref().between(40, 99) * 0.05f;
+				auto angle = RNG::Ref().between(0, 6283) * 0.001f;//(in radians, between 0 and 2*pi)
 				parts[np].vx = parts[i].vx*0.5f + cosf(angle)*magnitude;
 				parts[np].vy = parts[i].vy*0.5f + sinf(angle)*magnitude;
 				parts[np].ctype = col;
diff --git a/src/simulation/elements/PLSM.cpp b/src/simulation/elements/PLSM.cpp
index dd95bb874..e9519e49e 100644
--- a/src/simulation/elements/PLSM.cpp
+++ b/src/simulation/elements/PLSM.cpp
@@ -52,10 +52,10 @@ void Element::Element_PLSM()
 
 static int graphics(GRAPHICS_FUNC_ARGS)
 {
-	int caddress = int(restrict_flt(float(cpart->life), 0, 199)) * 3;
-	*colr = (unsigned char)ren->plasma_data[caddress];
-	*colg = (unsigned char)ren->plasma_data[caddress+1];
-	*colb = (unsigned char)ren->plasma_data[caddress+2];
+	auto color = Renderer::plasmaTableAt(cpart->life);
+	*colr = PIXR(color);
+	*colg = PIXG(color);
+	*colb = PIXB(color);
 
 	*firea = 255;
 	*firer = *colr;