Add NFC Maker and Jetpack Joyride apps

applications/external/jetpack_joyride/includes/background_asset.c

@@ -0,0 +1,81 @@
+#include <jetpack_joyride_icons.h>
+
+#include "background_assets.h"
+
+static AssetProperties assetProperties[BG_ASSETS_MAX] = {
+    {.width = 27, .spawn_chance = 1, .x_offset = 24, .y_offset = 36, .sprite = &I_door},
+    {.width = 12, .spawn_chance = 6, .x_offset = 33, .y_offset = 14, .sprite = &I_air_vent}};
+
+void background_assets_tick(BackgroundAsset* const assets) {
+    // Move assets towards the player
+    for(int i = 0; i < BG_ASSETS_MAX; i++) {
+        if(assets[i].visible) {
+            assets[i].point.x -= 1; // move left by 2 units
+            if(assets[i].point.x <=
+               -assets[i].properties->width) { // if the asset is out of screen
+                assets[i].visible = false; // set asset x coordinate to 0 to mark it as "inactive"
+            }
+        }
+    }
+}
+
+void spawn_random_background_asset(BackgroundAsset* const assets) {
+    // Calculate the total spawn chances for all assets
+    int total_spawn_chance = 0;
+    for(int i = 0; i < BG_ASSETS_MAX; ++i) {
+        total_spawn_chance += assetProperties[i].spawn_chance;
+    }
+
+    // Generate a random number between 0 and total_spawn_chance
+    int random_number = rand() % total_spawn_chance;
+
+    // Select the asset based on the random number
+    int chosen_asset = -1;
+    int accumulated_chance = 0;
+    for(int i = 0; i < BG_ASSETS_MAX; ++i) {
+        accumulated_chance += assetProperties[i].spawn_chance;
+        if(random_number < accumulated_chance) {
+            chosen_asset = i;
+            break;
+        }
+    }
+
+    // If no asset is chosen, return
+    if(chosen_asset == -1) {
+        return;
+    }
+
+    // Look for an available slot for the chosen asset
+    for(int i = 0; i < BG_ASSETS_MAX; ++i) {
+        if(assets[i].visible == false) {
+            // Spawn the asset
+            assets[i].point.x = 127 + assetProperties[chosen_asset].x_offset;
+            assets[i].point.y = assetProperties[chosen_asset].y_offset;
+            assets[i].properties = &assetProperties[chosen_asset];
+            assets[i].visible = true;
+            break;
+        }
+    }
+}
+
+void draw_background_assets(const BackgroundAsset* assets, Canvas* const canvas, int distance) {
+    canvas_draw_box(canvas, 0, 6, 128, 1);
+    canvas_draw_box(canvas, 0, 56, 128, 2);
+
+    // Calculate the pillar offset based on the traveled distance
+    int pillar_offset = distance % 64;
+
+    // Draw pillars
+    for(int x = -pillar_offset; x < 128; x += 64) {
+        canvas_draw_icon(canvas, x, 6, &I_pillar);
+    }
+
+    // Draw assets
+    for(int i = 0; i < BG_ASSETS_MAX; ++i) {
+        if(assets[i].visible) {
+            canvas_set_color(canvas, ColorBlack);
+            canvas_draw_icon(
+                canvas, assets[i].point.x, assets[i].point.y, assets[i].properties->sprite);
+        }
+    }
+}