145 lines
2.8 KiB
C++
145 lines
2.8 KiB
C++
#include "light.h"
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#include <math.h>
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#include "map_defs.h"
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#include "object.h"
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#include "perk.h"
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#include "tile.h"
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namespace fallout {
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// 20% of max light per "Night Vision" rank
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#define LIGHT_LEVEL_NIGHT_VISION_BONUS (65536 / 5)
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// 0x51923C
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static int gLightLevel = LIGHT_LEVEL_MAX;
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// light intensity per elevation per tile
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// 0x59E994
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static int gLightIntensity[ELEVATION_COUNT][HEX_GRID_SIZE];
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// 0x47A8F0
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int lightInit()
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{
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lightResetIntensity();
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return 0;
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}
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// 0x47A8F8
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int lightGetLightLevel()
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{
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return gLightLevel;
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}
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// 0x47A908
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void lightSetLightLevel(int lightLevel, bool shouldUpdateScreen)
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{
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int normalizedLightLevel = lightLevel + perkGetRank(gDude, PERK_NIGHT_VISION) * LIGHT_LEVEL_NIGHT_VISION_BONUS;
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if (normalizedLightLevel < LIGHT_LEVEL_MIN) {
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normalizedLightLevel = LIGHT_LEVEL_MIN;
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}
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if (normalizedLightLevel > LIGHT_LEVEL_MAX) {
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normalizedLightLevel = LIGHT_LEVEL_MAX;
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}
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int oldLightLevel = gLightLevel;
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gLightLevel = normalizedLightLevel;
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if (shouldUpdateScreen) {
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if (oldLightLevel != normalizedLightLevel) {
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tileWindowRefresh();
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}
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}
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}
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// TODO: Looks strange - it tries to clamp intensity as light level?
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int _light_get_tile(int elevation, int tile)
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{
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if (!elevationIsValid(elevation)) {
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return 0;
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}
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if (!hexGridTileIsValid(tile)) {
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return 0;
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}
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int result = gLightIntensity[elevation][tile];
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if (result >= 0x10000) {
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result = 0x10000;
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}
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return result;
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}
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// 0x47A9C4
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int lightGetIntensity(int elevation, int tile)
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{
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if (!elevationIsValid(elevation)) {
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return 0;
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}
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if (!hexGridTileIsValid(tile)) {
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return 0;
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}
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return gLightIntensity[elevation][tile];
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}
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// 0x47A9EC
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void lightSetIntensity(int elevation, int tile, int lightIntensity)
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{
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if (!elevationIsValid(elevation)) {
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return;
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}
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if (!hexGridTileIsValid(tile)) {
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return;
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}
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gLightIntensity[elevation][tile] = lightIntensity;
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}
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// 0x47AA10
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void lightIncreaseIntensity(int elevation, int tile, int lightIntensity)
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{
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if (!elevationIsValid(elevation)) {
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return;
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}
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if (!hexGridTileIsValid(tile)) {
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return;
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}
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gLightIntensity[elevation][tile] += lightIntensity;
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}
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// 0x47AA48
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void lightDecreaseIntensity(int elevation, int tile, int lightIntensity)
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{
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if (!elevationIsValid(elevation)) {
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return;
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}
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if (!hexGridTileIsValid(tile)) {
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return;
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}
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gLightIntensity[elevation][tile] -= lightIntensity;
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}
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// 0x47AA84
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void lightResetIntensity()
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{
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for (int elevation = 0; elevation < ELEVATION_COUNT; elevation++) {
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for (int tile = 0; tile < HEX_GRID_SIZE; tile++) {
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gLightIntensity[elevation][tile] = 655;
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}
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}
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}
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} // namespace fallout
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